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Finding the Fourth Proportional to 437,599.40, 656,399.10 and 349,025.90

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Solution

The fourth proportional to 437,599.40, 656,399.10 and 349,025.90 is: 523,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,599.40 : 656,399.10 = 349,025.90 : x
  2. Step 2: Convert to fraction form
    437,599.40/656,399.10 = 349,025.90/x
  3. Step 3: Cross multiply
    437,599.40x = 656,399.10 × 349,025.90
  4. Step 4: Simplify right side
    437,599.40x = 229,100,286,636.69
  5. Step 5: Solve for x
    x = 229,100,286,636.69/437,599.40
  6. Step 6: Final answer
    x = 523,538.85

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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.