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Finding the Fourth Proportional to 424,351.06, 585,619.87 and 243,098.03

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Solution

The fourth proportional to 424,351.06, 585,619.87 and 243,098.03 is: 335,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,351.06 : 585,619.87 = 243,098.03 : x
  2. Step 2: Convert to fraction form
    424,351.06/585,619.87 = 243,098.03/x
  3. Step 3: Cross multiply
    424,351.06x = 585,619.87 × 243,098.03
  4. Step 4: Simplify right side
    424,351.06x = 142,363,036,725.86
  5. Step 5: Solve for x
    x = 142,363,036,725.86/424,351.06
  6. Step 6: Final answer
    x = 335,484.11

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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.