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Finding the Fourth Proportional to 475,002.39, 655,503.53 and 260,155.97

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Solution

The fourth proportional to 475,002.39, 655,503.53 and 260,155.97 is: 359,015.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,002.39 : 655,503.53 = 260,155.97 : x
  2. Step 2: Convert to fraction form
    475,002.39/655,503.53 = 260,155.97/x
  3. Step 3: Cross multiply
    475,002.39x = 655,503.53 × 260,155.97
  4. Step 4: Simplify right side
    475,002.39x = 170,533,156,685.57
  5. Step 5: Solve for x
    x = 170,533,156,685.57/475,002.39
  6. Step 6: Final answer
    x = 359,015.37

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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.