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Finding the Fourth Proportional to 359,272.43, 495,672.66 and 230,315.06

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Solution

The fourth proportional to 359,272.43, 495,672.66 and 230,315.06 is: 317,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,272.43 : 495,672.66 = 230,315.06 : x
  2. Step 2: Convert to fraction form
    359,272.43/495,672.66 = 230,315.06/x
  3. Step 3: Cross multiply
    359,272.43x = 495,672.66 × 230,315.06
  4. Step 4: Simplify right side
    359,272.43x = 114,160,875,949.90
  5. Step 5: Solve for x
    x = 114,160,875,949.90/359,272.43
  6. Step 6: Final answer
    x = 317,755.74

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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.