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Finding the Fourth Proportional to 581,037.80, 871,866.30 and 226,063.40

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Solution

The fourth proportional to 581,037.80, 871,866.30 and 226,063.40 is: 339,215.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,037.80 : 871,866.30 = 226,063.40 : x
  2. Step 2: Convert to fraction form
    581,037.80/871,866.30 = 226,063.40/x
  3. Step 3: Cross multiply
    581,037.80x = 871,866.30 × 226,063.40
  4. Step 4: Simplify right side
    581,037.80x = 197,097,060,123.42
  5. Step 5: Solve for x
    x = 197,097,060,123.42/581,037.80
  6. Step 6: Final answer
    x = 339,215.56

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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.