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Finding the Fourth Proportional to 442,062.78, 610,038.36 and 245,841.30

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Solution

The fourth proportional to 442,062.78, 610,038.36 and 245,841.30 is: 339,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,062.78 : 610,038.36 = 245,841.30 : x
  2. Step 2: Convert to fraction form
    442,062.78/610,038.36 = 245,841.30/x
  3. Step 3: Cross multiply
    442,062.78x = 610,038.36 × 245,841.30
  4. Step 4: Simplify right side
    442,062.78x = 149,972,623,472.27
  5. Step 5: Solve for x
    x = 149,972,623,472.27/442,062.78
  6. Step 6: Final answer
    x = 339,256.39

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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.