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Finding the Fourth Proportional to 442,440.56, 610,565.64 and 251,442.56

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Solution

The fourth proportional to 442,440.56, 610,565.64 and 251,442.56 is: 346,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,440.56 : 610,565.64 = 251,442.56 : x
  2. Step 2: Convert to fraction form
    442,440.56/610,565.64 = 251,442.56/x
  3. Step 3: Cross multiply
    442,440.56x = 610,565.64 × 251,442.56
  4. Step 4: Simplify right side
    442,440.56x = 153,522,187,569.64
  5. Step 5: Solve for x
    x = 153,522,187,569.64/442,440.56
  6. Step 6: Final answer
    x = 346,989.41

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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.