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Finding the Fourth Proportional to 359,690.70, 539,973.45 and 182,106.30

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Solution

The fourth proportional to 359,690.70, 539,973.45 and 182,106.30 is: 273,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,690.70 : 539,973.45 = 182,106.30 : x
  2. Step 2: Convert to fraction form
    359,690.70/539,973.45 = 182,106.30/x
  3. Step 3: Cross multiply
    359,690.70x = 539,973.45 × 182,106.30
  4. Step 4: Simplify right side
    359,690.70x = 98,332,567,077.74
  5. Step 5: Solve for x
    x = 98,332,567,077.74/359,690.70
  6. Step 6: Final answer
    x = 273,380.90

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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.