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Finding the Fourth Proportional to 437,607.90, 656,353.53 and 122,038.38

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Solution

The fourth proportional to 437,607.90, 656,353.53 and 122,038.38 is: 183,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,607.90 : 656,353.53 = 122,038.38 : x
  2. Step 2: Convert to fraction form
    437,607.90/656,353.53 = 122,038.38/x
  3. Step 3: Cross multiply
    437,607.90x = 656,353.53 × 122,038.38
  4. Step 4: Simplify right side
    437,607.90x = 80,100,321,508.48
  5. Step 5: Solve for x
    x = 80,100,321,508.48/437,607.90
  6. Step 6: Final answer
    x = 183,041.31

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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.