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Finding the Fourth Proportional to 359,765.28, 539,598.74 and 107,084.77

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Solution

The fourth proportional to 359,765.28, 539,598.74 and 107,084.77 is: 160,612.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,765.28 : 539,598.74 = 107,084.77 : x
  2. Step 2: Convert to fraction form
    359,765.28/539,598.74 = 107,084.77/x
  3. Step 3: Cross multiply
    359,765.28x = 539,598.74 × 107,084.77
  4. Step 4: Simplify right side
    359,765.28x = 57,782,805,080.77
  5. Step 5: Solve for x
    x = 57,782,805,080.77/359,765.28
  6. Step 6: Final answer
    x = 160,612.51

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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.