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Finding the Fourth Proportional to 539,419.10, 809,323.05 and 224,102.30

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Solution

The fourth proportional to 539,419.10, 809,323.05 and 224,102.30 is: 336,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,419.10 : 809,323.05 = 224,102.30 : x
  2. Step 2: Convert to fraction form
    539,419.10/809,323.05 = 224,102.30/x
  3. Step 3: Cross multiply
    539,419.10x = 809,323.05 × 224,102.30
  4. Step 4: Simplify right side
    539,419.10x = 181,371,156,948.02
  5. Step 5: Solve for x
    x = 181,371,156,948.02/539,419.10
  6. Step 6: Final answer
    x = 336,234.21

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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.