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Finding the Fourth Proportional to 624,920.13, 861,744.83 and 534,575.16

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Solution

The fourth proportional to 624,920.13, 861,744.83 and 534,575.16 is: 737,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,920.13 : 861,744.83 = 534,575.16 : x
  2. Step 2: Convert to fraction form
    624,920.13/861,744.83 = 534,575.16/x
  3. Step 3: Cross multiply
    624,920.13x = 861,744.83 × 534,575.16
  4. Step 4: Simplify right side
    624,920.13x = 460,667,377,703.55
  5. Step 5: Solve for x
    x = 460,667,377,703.55/624,920.13
  6. Step 6: Final answer
    x = 737,162.01

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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.