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Finding the Fourth Proportional to 359,570.44, 539,215.53 and 134,808.27

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Solution

The fourth proportional to 359,570.44, 539,215.53 and 134,808.27 is: 202,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,570.44 : 539,215.53 = 134,808.27 : x
  2. Step 2: Convert to fraction form
    359,570.44/539,215.53 = 134,808.27/x
  3. Step 3: Cross multiply
    359,570.44x = 539,215.53 × 134,808.27
  4. Step 4: Simplify right side
    359,570.44x = 72,690,712,756.43
  5. Step 5: Solve for x
    x = 72,690,712,756.43/359,570.44
  6. Step 6: Final answer
    x = 202,159.87

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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.