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Finding the Fourth Proportional to 534,838.38, 737,651.79 and 454,531.74

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Solution

The fourth proportional to 534,838.38, 737,651.79 and 454,531.74 is: 626,892.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,838.38 : 737,651.79 = 454,531.74 : x
  2. Step 2: Convert to fraction form
    534,838.38/737,651.79 = 454,531.74/x
  3. Step 3: Cross multiply
    534,838.38x = 737,651.79 × 454,531.74
  4. Step 4: Simplify right side
    534,838.38x = 335,286,151,622.82
  5. Step 5: Solve for x
    x = 335,286,151,622.82/534,838.38
  6. Step 6: Final answer
    x = 626,892.47

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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.