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Finding the Fourth Proportional to 475,166.52, 655,723.08 and 260,308.08

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Solution

The fourth proportional to 475,166.52, 655,723.08 and 260,308.08 is: 359,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,166.52 : 655,723.08 = 260,308.08 : x
  2. Step 2: Convert to fraction form
    475,166.52/655,723.08 = 260,308.08/x
  3. Step 3: Cross multiply
    475,166.52x = 655,723.08 × 260,308.08
  4. Step 4: Simplify right side
    475,166.52x = 170,690,015,966.49
  5. Step 5: Solve for x
    x = 170,690,015,966.49/475,166.52
  6. Step 6: Final answer
    x = 359,221.47

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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.