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Finding the Fourth Proportional to 461,542.68, 636,928.56 and 260,338.68

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Solution

The fourth proportional to 461,542.68, 636,928.56 and 260,338.68 is: 359,267.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,542.68 : 636,928.56 = 260,338.68 : x
  2. Step 2: Convert to fraction form
    461,542.68/636,928.56 = 260,338.68/x
  3. Step 3: Cross multiply
    461,542.68x = 636,928.56 × 260,338.68
  4. Step 4: Simplify right side
    461,542.68x = 165,817,140,564.70
  5. Step 5: Solve for x
    x = 165,817,140,564.70/461,542.68
  6. Step 6: Final answer
    x = 359,267.19

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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.