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Finding the Fourth Proportional to 435,988.60, 601,658.85 and 245,034.34

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Solution

The fourth proportional to 435,988.60, 601,658.85 and 245,034.34 is: 338,144.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,988.60 : 601,658.85 = 245,034.34 : x
  2. Step 2: Convert to fraction form
    435,988.60/601,658.85 = 245,034.34/x
  3. Step 3: Cross multiply
    435,988.60x = 601,658.85 × 245,034.34
  4. Step 4: Simplify right side
    435,988.60x = 147,427,079,214.91
  5. Step 5: Solve for x
    x = 147,427,079,214.91/435,988.60
  6. Step 6: Final answer
    x = 338,144.34

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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.