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Finding the Fourth Proportional to 532,407.40, 798,611.10 and 493,916.20

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Solution

The fourth proportional to 532,407.40, 798,611.10 and 493,916.20 is: 740,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,407.40 : 798,611.10 = 493,916.20 : x
  2. Step 2: Convert to fraction form
    532,407.40/798,611.10 = 493,916.20/x
  3. Step 3: Cross multiply
    532,407.40x = 798,611.10 × 493,916.20
  4. Step 4: Simplify right side
    532,407.40x = 394,446,959,789.82
  5. Step 5: Solve for x
    x = 394,446,959,789.82/532,407.40
  6. Step 6: Final answer
    x = 740,874.30

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Half scale
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Double scale
Find fourth proportional to 532,408.40, 798,612.60 and 493,917.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.