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Finding the Fourth Proportional to 359,358.40, 495,539.40 and 250,589.20

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Solution

The fourth proportional to 359,358.40, 495,539.40 and 250,589.20 is: 345,551.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,358.40 : 495,539.40 = 250,589.20 : x
  2. Step 2: Convert to fraction form
    359,358.40/495,539.40 = 250,589.20/x
  3. Step 3: Cross multiply
    359,358.40x = 495,539.40 × 250,589.20
  4. Step 4: Simplify right side
    359,358.40x = 124,176,821,814.48
  5. Step 5: Solve for x
    x = 124,176,821,814.48/359,358.40
  6. Step 6: Final answer
    x = 345,551.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.