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Finding the Fourth Proportional to 524,101.28, 723,279.12 and 297,785.12

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Solution

The fourth proportional to 524,101.28, 723,279.12 and 297,785.12 is: 410,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,101.28 : 723,279.12 = 297,785.12 : x
  2. Step 2: Convert to fraction form
    524,101.28/723,279.12 = 297,785.12/x
  3. Step 3: Cross multiply
    524,101.28x = 723,279.12 × 297,785.12
  4. Step 4: Simplify right side
    524,101.28x = 215,381,759,542.69
  5. Step 5: Solve for x
    x = 215,381,759,542.69/524,101.28
  6. Step 6: Final answer
    x = 410,954.46

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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.