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Finding the Fourth Proportional to 563,326.80, 844,990.20 and 493,342.80

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Solution

The fourth proportional to 563,326.80, 844,990.20 and 493,342.80 is: 740,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,326.80 : 844,990.20 = 493,342.80 : x
  2. Step 2: Convert to fraction form
    563,326.80/844,990.20 = 493,342.80/x
  3. Step 3: Cross multiply
    563,326.80x = 844,990.20 × 493,342.80
  4. Step 4: Simplify right side
    563,326.80x = 416,869,831,240.56
  5. Step 5: Solve for x
    x = 416,869,831,240.56/563,326.80
  6. Step 6: Final answer
    x = 740,014.20

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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.