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Finding the Fourth Proportional to 437,864.16, 604,253.60 and 236,660.16

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Solution

The fourth proportional to 437,864.16, 604,253.60 and 236,660.16 is: 326,591.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,864.16 : 604,253.60 = 236,660.16 : x
  2. Step 2: Convert to fraction form
    437,864.16/604,253.60 = 236,660.16/x
  3. Step 3: Cross multiply
    437,864.16x = 604,253.60 × 236,660.16
  4. Step 4: Simplify right side
    437,864.16x = 143,002,753,656.58
  5. Step 5: Solve for x
    x = 143,002,753,656.58/437,864.16
  6. Step 6: Final answer
    x = 326,591.59

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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.