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Finding the Fourth Proportional to 974,683.20, 1,462,024.80 and 413,644.80

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Solution

The fourth proportional to 974,683.20, 1,462,024.80 and 413,644.80 is: 620,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,683.20 : 1,462,024.80 = 413,644.80 : x
  2. Step 2: Convert to fraction form
    974,683.20/1,462,024.80 = 413,644.80/x
  3. Step 3: Cross multiply
    974,683.20x = 1,462,024.80 × 413,644.80
  4. Step 4: Simplify right side
    974,683.20x = 604,758,955,991.04
  5. Step 5: Solve for x
    x = 604,758,955,991.04/974,683.20
  6. Step 6: Final answer
    x = 620,467.20

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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.