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Finding the Fourth Proportional to 580,966.60, 871,277.10 and 225,776.20

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Solution

The fourth proportional to 580,966.60, 871,277.10 and 225,776.20 is: 338,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,966.60 : 871,277.10 = 225,776.20 : x
  2. Step 2: Convert to fraction form
    580,966.60/871,277.10 = 225,776.20/x
  3. Step 3: Cross multiply
    580,966.60x = 871,277.10 × 225,776.20
  4. Step 4: Simplify right side
    580,966.60x = 196,713,632,785.02
  5. Step 5: Solve for x
    x = 196,713,632,785.02/580,966.60
  6. Step 6: Final answer
    x = 338,597.15

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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.