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Finding the Fourth Proportional to 359,351.97, 539,384.61 and 190,873.70

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Solution

The fourth proportional to 359,351.97, 539,384.61 and 190,873.70 is: 286,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,351.97 : 539,384.61 = 190,873.70 : x
  2. Step 2: Convert to fraction form
    359,351.97/539,384.61 = 190,873.70/x
  3. Step 3: Cross multiply
    359,351.97x = 539,384.61 × 190,873.70
  4. Step 4: Simplify right side
    359,351.97x = 102,954,333,536.83
  5. Step 5: Solve for x
    x = 102,954,333,536.83/359,351.97
  6. Step 6: Final answer
    x = 286,499.98

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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.