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Finding the Fourth Proportional to 359,497.92, 539,259.84 and 134,835.60

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Solution

The fourth proportional to 359,497.92, 539,259.84 and 134,835.60 is: 202,258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,497.92 : 539,259.84 = 134,835.60 : x
  2. Step 2: Convert to fraction form
    359,497.92/539,259.84 = 134,835.60/x
  3. Step 3: Cross multiply
    359,497.92x = 539,259.84 × 134,835.60
  4. Step 4: Simplify right side
    359,497.92x = 72,711,424,082.30
  5. Step 5: Solve for x
    x = 72,711,424,082.30/359,497.92
  6. Step 6: Final answer
    x = 202,258.26

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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.