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Finding the Fourth Proportional to 359,267.20, 539,095.20 and 148,926.40

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Solution

The fourth proportional to 359,267.20, 539,095.20 and 148,926.40 is: 223,470.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,267.20 : 539,095.20 = 148,926.40 : x
  2. Step 2: Convert to fraction form
    359,267.20/539,095.20 = 148,926.40/x
  3. Step 3: Cross multiply
    359,267.20x = 539,095.20 × 148,926.40
  4. Step 4: Simplify right side
    359,267.20x = 80,285,507,393.28
  5. Step 5: Solve for x
    x = 80,285,507,393.28/359,267.20
  6. Step 6: Final answer
    x = 223,470.18

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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.