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Finding the Fourth Proportional to 359,598.69, 539,557.20 and 188,780.22

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Solution

The fourth proportional to 359,598.69, 539,557.20 and 188,780.22 is: 283,253.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,598.69 : 539,557.20 = 188,780.22 : x
  2. Step 2: Convert to fraction form
    359,598.69/539,557.20 = 188,780.22/x
  3. Step 3: Cross multiply
    359,598.69x = 539,557.20 × 188,780.22
  4. Step 4: Simplify right side
    359,598.69x = 101,857,726,918.58
  5. Step 5: Solve for x
    x = 101,857,726,918.58/359,598.69
  6. Step 6: Final answer
    x = 283,253.89

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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.