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Finding the Fourth Proportional to 291,684.60, 437,307.66 and 123,401.88

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Solution

The fourth proportional to 291,684.60, 437,307.66 and 123,401.88 is: 185,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,684.60 : 437,307.66 = 123,401.88 : x
  2. Step 2: Convert to fraction form
    291,684.60/437,307.66 = 123,401.88/x
  3. Step 3: Cross multiply
    291,684.60x = 437,307.66 × 123,401.88
  4. Step 4: Simplify right side
    291,684.60x = 53,964,587,382.40
  5. Step 5: Solve for x
    x = 53,964,587,382.40/291,684.60
  6. Step 6: Final answer
    x = 185,010.07

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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.