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Finding the Fourth Proportional to 580,763.56, 871,171.26 and 181,412.20

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Solution

The fourth proportional to 580,763.56, 871,171.26 and 181,412.20 is: 272,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,763.56 : 871,171.26 = 181,412.20 : x
  2. Step 2: Convert to fraction form
    580,763.56/871,171.26 = 181,412.20/x
  3. Step 3: Cross multiply
    580,763.56x = 871,171.26 × 181,412.20
  4. Step 4: Simplify right side
    580,763.56x = 158,041,094,853.37
  5. Step 5: Solve for x
    x = 158,041,094,853.37/580,763.56
  6. Step 6: Final answer
    x = 272,126.40

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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.