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Finding the Fourth Proportional to 438,437.81, 657,699.92 and 182,217.53

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Solution

The fourth proportional to 438,437.81, 657,699.92 and 182,217.53 is: 273,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,437.81 : 657,699.92 = 182,217.53 : x
  2. Step 2: Convert to fraction form
    438,437.81/657,699.92 = 182,217.53/x
  3. Step 3: Cross multiply
    438,437.81x = 657,699.92 × 182,217.53
  4. Step 4: Simplify right side
    438,437.81x = 119,844,450,704.01
  5. Step 5: Solve for x
    x = 119,844,450,704.01/438,437.81
  6. Step 6: Final answer
    x = 273,344.24

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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.