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Finding the Fourth Proportional to 359,652.74, 539,580.26 and 157,266.63

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Solution

The fourth proportional to 359,652.74, 539,580.26 and 157,266.63 is: 235,944.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,652.74 : 539,580.26 = 157,266.63 : x
  2. Step 2: Convert to fraction form
    359,652.74/539,580.26 = 157,266.63/x
  3. Step 3: Cross multiply
    359,652.74x = 539,580.26 × 157,266.63
  4. Step 4: Simplify right side
    359,652.74x = 84,857,969,497.89
  5. Step 5: Solve for x
    x = 84,857,969,497.89/359,652.74
  6. Step 6: Final answer
    x = 235,944.18

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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.