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Finding the Fourth Proportional to 437,587.31, 656,491.74 and 122,044.22

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Solution

The fourth proportional to 437,587.31, 656,491.74 and 122,044.22 is: 183,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,587.31 : 656,491.74 = 122,044.22 : x
  2. Step 2: Convert to fraction form
    437,587.31/656,491.74 = 122,044.22/x
  3. Step 3: Cross multiply
    437,587.31x = 656,491.74 × 122,044.22
  4. Step 4: Simplify right side
    437,587.31x = 80,121,021,066.46
  5. Step 5: Solve for x
    x = 80,121,021,066.46/437,587.31
  6. Step 6: Final answer
    x = 183,097.22

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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.