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Finding the Fourth Proportional to 440,429.96, 660,411.66 and 174,179.72

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Solution

The fourth proportional to 440,429.96, 660,411.66 and 174,179.72 is: 261,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,429.96 : 660,411.66 = 174,179.72 : x
  2. Step 2: Convert to fraction form
    440,429.96/660,411.66 = 174,179.72/x
  3. Step 3: Cross multiply
    440,429.96x = 660,411.66 × 174,179.72
  4. Step 4: Simplify right side
    440,429.96x = 115,030,318,023.54
  5. Step 5: Solve for x
    x = 115,030,318,023.54/440,429.96
  6. Step 6: Final answer
    x = 261,177.32

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1.5x scale

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.