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Finding the Fourth Proportional to 440,293.92, 660,433.80 and 174,056.92

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Solution

The fourth proportional to 440,293.92, 660,433.80 and 174,056.92 is: 261,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,293.92 : 660,433.80 = 174,056.92 : x
  2. Step 2: Convert to fraction form
    440,293.92/660,433.80 = 174,056.92/x
  3. Step 3: Cross multiply
    440,293.92x = 660,433.80 × 174,056.92
  4. Step 4: Simplify right side
    440,293.92x = 114,953,073,091.90
  5. Step 5: Solve for x
    x = 114,953,073,091.90/440,293.92
  6. Step 6: Final answer
    x = 261,082.58

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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.