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Finding the Fourth Proportional to 424,062.43, 585,210.68 and 230,470.15

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Solution

The fourth proportional to 424,062.43, 585,210.68 and 230,470.15 is: 318,051.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,062.43 : 585,210.68 = 230,470.15 : x
  2. Step 2: Convert to fraction form
    424,062.43/585,210.68 = 230,470.15/x
  3. Step 3: Cross multiply
    424,062.43x = 585,210.68 × 230,470.15
  4. Step 4: Simplify right side
    424,062.43x = 134,873,592,048.85
  5. Step 5: Solve for x
    x = 134,873,592,048.85/424,062.43
  6. Step 6: Final answer
    x = 318,051.27

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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.