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Finding the Fourth Proportional to 534,307.95, 737,428.32 and 304,864.92

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Solution

The fourth proportional to 534,307.95, 737,428.32 and 304,864.92 is: 420,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,307.95 : 737,428.32 = 304,864.92 : x
  2. Step 2: Convert to fraction form
    534,307.95/737,428.32 = 304,864.92/x
  3. Step 3: Cross multiply
    534,307.95x = 737,428.32 × 304,864.92
  4. Step 4: Simplify right side
    534,307.95x = 224,816,025,782.53
  5. Step 5: Solve for x
    x = 224,816,025,782.53/534,307.95
  6. Step 6: Final answer
    x = 420,761.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.