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Finding the Fourth Proportional to 347,114.64, 520,750.13 and 122,491.11

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Solution

The fourth proportional to 347,114.64, 520,750.13 and 122,491.11 is: 183,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,114.64 : 520,750.13 = 122,491.11 : x
  2. Step 2: Convert to fraction form
    347,114.64/520,750.13 = 122,491.11/x
  3. Step 3: Cross multiply
    347,114.64x = 520,750.13 × 122,491.11
  4. Step 4: Simplify right side
    347,114.64x = 63,787,260,843.89
  5. Step 5: Solve for x
    x = 63,787,260,843.89/347,114.64
  6. Step 6: Final answer
    x = 183,764.25

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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.