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Finding the Fourth Proportional to 426,034.89, 587,916.63 and 235,044.18

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Solution

The fourth proportional to 426,034.89, 587,916.63 and 235,044.18 is: 324,354.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,034.89 : 587,916.63 = 235,044.18 : x
  2. Step 2: Convert to fraction form
    426,034.89/587,916.63 = 235,044.18/x
  3. Step 3: Cross multiply
    426,034.89x = 587,916.63 × 235,044.18
  4. Step 4: Simplify right side
    426,034.89x = 138,186,382,206.71
  5. Step 5: Solve for x
    x = 138,186,382,206.71/426,034.89
  6. Step 6: Final answer
    x = 324,354.61

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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.