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Finding the Fourth Proportional to 296,551.53, 444,892.64 and 86,205.87

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Solution

The fourth proportional to 296,551.53, 444,892.64 and 86,205.87 is: 129,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,551.53 : 444,892.64 = 86,205.87 : x
  2. Step 2: Convert to fraction form
    296,551.53/444,892.64 = 86,205.87/x
  3. Step 3: Cross multiply
    296,551.53x = 444,892.64 × 86,205.87
  4. Step 4: Simplify right side
    296,551.53x = 38,352,356,656.77
  5. Step 5: Solve for x
    x = 38,352,356,656.77/296,551.53
  6. Step 6: Final answer
    x = 129,327.80

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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.