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Finding the Fourth Proportional to 359,622.20, 539,004.33 and 167,236.93

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Solution

The fourth proportional to 359,622.20, 539,004.33 and 167,236.93 is: 250,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,622.20 : 539,004.33 = 167,236.93 : x
  2. Step 2: Convert to fraction form
    359,622.20/539,004.33 = 167,236.93/x
  3. Step 3: Cross multiply
    359,622.20x = 539,004.33 × 167,236.93
  4. Step 4: Simplify right side
    359,622.20x = 90,141,429,382.60
  5. Step 5: Solve for x
    x = 90,141,429,382.60/359,622.20
  6. Step 6: Final answer
    x = 250,655.91

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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.