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Finding the Fourth Proportional to 359,230.72, 539,001.60 and 192,824.32

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Solution

The fourth proportional to 359,230.72, 539,001.60 and 192,824.32 is: 289,319.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,230.72 : 539,001.60 = 192,824.32 : x
  2. Step 2: Convert to fraction form
    359,230.72/539,001.60 = 192,824.32/x
  3. Step 3: Cross multiply
    359,230.72x = 539,001.60 × 192,824.32
  4. Step 4: Simplify right side
    359,230.72x = 103,932,616,998.91
  5. Step 5: Solve for x
    x = 103,932,616,998.91/359,230.72
  6. Step 6: Final answer
    x = 289,319.96

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1.5x scale

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.