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Finding the Fourth Proportional to 532,315.40, 798,473.10 and 493,824.20

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Solution

The fourth proportional to 532,315.40, 798,473.10 and 493,824.20 is: 740,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,315.40 : 798,473.10 = 493,824.20 : x
  2. Step 2: Convert to fraction form
    532,315.40/798,473.10 = 493,824.20/x
  3. Step 3: Cross multiply
    532,315.40x = 798,473.10 × 493,824.20
  4. Step 4: Simplify right side
    532,315.40x = 394,305,339,829.02
  5. Step 5: Solve for x
    x = 394,305,339,829.02/532,315.40
  6. Step 6: Final answer
    x = 740,736.30

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Double scale
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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.