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Finding the Fourth Proportional to 440,646.15, 660,932.31 and 174,335.16

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Solution

The fourth proportional to 440,646.15, 660,932.31 and 174,335.16 is: 261,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,646.15 : 660,932.31 = 174,335.16 : x
  2. Step 2: Convert to fraction form
    440,646.15/660,932.31 = 174,335.16/x
  3. Step 3: Cross multiply
    440,646.15x = 660,932.31 × 174,335.16
  4. Step 4: Simplify right side
    440,646.15x = 115,223,738,188.28
  5. Step 5: Solve for x
    x = 115,223,738,188.28/440,646.15
  6. Step 6: Final answer
    x = 261,488.13

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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.