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Finding the Fourth Proportional to 534,520.68, 801,928.64 and 475,766.93

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Solution

The fourth proportional to 534,520.68, 801,928.64 and 475,766.93 is: 713,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,520.68 : 801,928.64 = 475,766.93 : x
  2. Step 2: Convert to fraction form
    534,520.68/801,928.64 = 475,766.93/x
  3. Step 3: Cross multiply
    534,520.68x = 801,928.64 × 475,766.93
  4. Step 4: Simplify right side
    534,520.68x = 381,531,124,311.65
  5. Step 5: Solve for x
    x = 381,531,124,311.65/534,520.68
  6. Step 6: Final answer
    x = 713,781.78

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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.