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Finding the Fourth Proportional to 485,125.59, 726,883.94 and 295,010.89

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Solution

The fourth proportional to 485,125.59, 726,883.94 and 295,010.89 is: 442,027.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,125.59 : 726,883.94 = 295,010.89 : x
  2. Step 2: Convert to fraction form
    485,125.59/726,883.94 = 295,010.89/x
  3. Step 3: Cross multiply
    485,125.59x = 726,883.94 × 295,010.89
  4. Step 4: Simplify right side
    485,125.59x = 214,438,676,986.42
  5. Step 5: Solve for x
    x = 214,438,676,986.42/485,125.59
  6. Step 6: Final answer
    x = 442,027.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.