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Finding the Fourth Proportional to 581,640.20, 871,812.30 and 226,536.20

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Solution

The fourth proportional to 581,640.20, 871,812.30 and 226,536.20 is: 339,551.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,640.20 : 871,812.30 = 226,536.20 : x
  2. Step 2: Convert to fraction form
    581,640.20/871,812.30 = 226,536.20/x
  3. Step 3: Cross multiply
    581,640.20x = 871,812.30 × 226,536.20
  4. Step 4: Simplify right side
    581,640.20x = 197,497,045,555.26
  5. Step 5: Solve for x
    x = 197,497,045,555.26/581,640.20
  6. Step 6: Final answer
    x = 339,551.92

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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.