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Finding the Fourth Proportional to 524,711.80, 724,046.45 and 295,265.09

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Solution

The fourth proportional to 524,711.80, 724,046.45 and 295,265.09 is: 407,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,711.80 : 724,046.45 = 295,265.09 : x
  2. Step 2: Convert to fraction form
    524,711.80/724,046.45 = 295,265.09/x
  3. Step 3: Cross multiply
    524,711.80x = 724,046.45 × 295,265.09
  4. Step 4: Simplify right side
    524,711.80x = 213,785,640,557.22
  5. Step 5: Solve for x
    x = 213,785,640,557.22/524,711.80
  6. Step 6: Final answer
    x = 407,434.41

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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.