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Finding the Fourth Proportional to 359,628.11, 539,013.17 and 167,242.83

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Solution

The fourth proportional to 359,628.11, 539,013.17 and 167,242.83 is: 250,664.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,628.11 : 539,013.17 = 167,242.83 : x
  2. Step 2: Convert to fraction form
    359,628.11/539,013.17 = 167,242.83/x
  3. Step 3: Cross multiply
    359,628.11x = 539,013.17 × 167,242.83
  4. Step 4: Simplify right side
    359,628.11x = 90,146,087,121.86
  5. Step 5: Solve for x
    x = 90,146,087,121.86/359,628.11
  6. Step 6: Final answer
    x = 250,664.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.