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Finding the Fourth Proportional to 581,009.80, 871,824.30 and 226,035.40

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Solution

The fourth proportional to 581,009.80, 871,824.30 and 226,035.40 is: 339,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,009.80 : 871,824.30 = 226,035.40 : x
  2. Step 2: Convert to fraction form
    581,009.80/871,824.30 = 226,035.40/x
  3. Step 3: Cross multiply
    581,009.80x = 871,824.30 × 226,035.40
  4. Step 4: Simplify right side
    581,009.80x = 197,063,154,380.22
  5. Step 5: Solve for x
    x = 197,063,154,380.22/581,009.80
  6. Step 6: Final answer
    x = 339,173.55

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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.