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Finding the Fourth Proportional to 438,473.52, 657,667.18 and 297,226.13

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Solution

The fourth proportional to 438,473.52, 657,667.18 and 297,226.13 is: 445,809.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,473.52 : 657,667.18 = 297,226.13 : x
  2. Step 2: Convert to fraction form
    438,473.52/657,667.18 = 297,226.13/x
  3. Step 3: Cross multiply
    438,473.52x = 657,667.18 × 297,226.13
  4. Step 4: Simplify right side
    438,473.52x = 195,475,867,822.61
  5. Step 5: Solve for x
    x = 195,475,867,822.61/438,473.52
  6. Step 6: Final answer
    x = 445,809.97

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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.