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Finding the Fourth Proportional to 475,159.13, 655,735.91 and 260,299.13

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Solution

The fourth proportional to 475,159.13, 655,735.91 and 260,299.13 is: 359,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,159.13 : 655,735.91 = 260,299.13 : x
  2. Step 2: Convert to fraction form
    475,159.13/655,735.91 = 260,299.13/x
  3. Step 3: Cross multiply
    475,159.13x = 655,735.91 × 260,299.13
  4. Step 4: Simplify right side
    475,159.13x = 170,687,482,302.58
  5. Step 5: Solve for x
    x = 170,687,482,302.58/475,159.13
  6. Step 6: Final answer
    x = 359,221.73

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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.