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Finding the Fourth Proportional to 359,270.70, 539,100.45 and 148,929.90

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Solution

The fourth proportional to 359,270.70, 539,100.45 and 148,929.90 is: 223,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,270.70 : 539,100.45 = 148,929.90 : x
  2. Step 2: Convert to fraction form
    359,270.70/539,100.45 = 148,929.90/x
  3. Step 3: Cross multiply
    359,270.70x = 539,100.45 × 148,929.90
  4. Step 4: Simplify right side
    359,270.70x = 80,288,176,108.46
  5. Step 5: Solve for x
    x = 80,288,176,108.46/359,270.70
  6. Step 6: Final answer
    x = 223,475.44

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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.