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Finding the Fourth Proportional to 656,575.44, 984,577.11 and 348,760.05

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Solution

The fourth proportional to 656,575.44, 984,577.11 and 348,760.05 is: 522,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,575.44 : 984,577.11 = 348,760.05 : x
  2. Step 2: Convert to fraction form
    656,575.44/984,577.11 = 348,760.05/x
  3. Step 3: Cross multiply
    656,575.44x = 984,577.11 × 348,760.05
  4. Step 4: Simplify right side
    656,575.44x = 343,381,162,112.46
  5. Step 5: Solve for x
    x = 343,381,162,112.46/656,575.44
  6. Step 6: Final answer
    x = 522,988.13

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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.