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Finding the Fourth Proportional to 581,647.20, 871,822.80 and 226,543.20

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Solution

The fourth proportional to 581,647.20, 871,822.80 and 226,543.20 is: 339,562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,647.20 : 871,822.80 = 226,543.20 : x
  2. Step 2: Convert to fraction form
    581,647.20/871,822.80 = 226,543.20/x
  3. Step 3: Cross multiply
    581,647.20x = 871,822.80 × 226,543.20
  4. Step 4: Simplify right side
    581,647.20x = 197,505,526,944.96
  5. Step 5: Solve for x
    x = 197,505,526,944.96/581,647.20
  6. Step 6: Final answer
    x = 339,562.41

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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.