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Finding the Fourth Proportional to 442,561.95, 610,630.52 and 251,560.31

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Solution

The fourth proportional to 442,561.95, 610,630.52 and 251,560.31 is: 347,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,561.95 : 610,630.52 = 251,560.31 : x
  2. Step 2: Convert to fraction form
    442,561.95/610,630.52 = 251,560.31/x
  3. Step 3: Cross multiply
    442,561.95x = 610,630.52 × 251,560.31
  4. Step 4: Simplify right side
    442,561.95x = 153,610,398,595.71
  5. Step 5: Solve for x
    x = 153,610,398,595.71/442,561.95
  6. Step 6: Final answer
    x = 347,093.55

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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.