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Finding the Fourth Proportional to 651,753.01, 899,403.78 and 361,363.15

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Solution

The fourth proportional to 651,753.01, 899,403.78 and 361,363.15 is: 498,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,753.01 : 899,403.78 = 361,363.15 : x
  2. Step 2: Convert to fraction form
    651,753.01/899,403.78 = 361,363.15/x
  3. Step 3: Cross multiply
    651,753.01x = 899,403.78 × 361,363.15
  4. Step 4: Simplify right side
    651,753.01x = 325,011,383,062.71
  5. Step 5: Solve for x
    x = 325,011,383,062.71/651,753.01
  6. Step 6: Final answer
    x = 498,672.62

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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.