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Finding the Fourth Proportional to 440,648.15, 660,935.31 and 174,337.16

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Solution

The fourth proportional to 440,648.15, 660,935.31 and 174,337.16 is: 261,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,648.15 : 660,935.31 = 174,337.16 : x
  2. Step 2: Convert to fraction form
    440,648.15/660,935.31 = 174,337.16/x
  3. Step 3: Cross multiply
    440,648.15x = 660,935.31 × 174,337.16
  4. Step 4: Simplify right side
    440,648.15x = 115,225,584,889.12
  5. Step 5: Solve for x
    x = 115,225,584,889.12/440,648.15
  6. Step 6: Final answer
    x = 261,491.14

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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.