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Finding the Fourth Proportional to 534,019.72, 736,801.46 and 304,493.28

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Solution

The fourth proportional to 534,019.72, 736,801.46 and 304,493.28 is: 420,117.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,019.72 : 736,801.46 = 304,493.28 : x
  2. Step 2: Convert to fraction form
    534,019.72/736,801.46 = 304,493.28/x
  3. Step 3: Cross multiply
    534,019.72x = 736,801.46 × 304,493.28
  4. Step 4: Simplify right side
    534,019.72x = 224,351,093,264.19
  5. Step 5: Solve for x
    x = 224,351,093,264.19/534,019.72
  6. Step 6: Final answer
    x = 420,117.62

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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.