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Finding the Fourth Proportional to 467,411.85, 645,028.65 and 252,551.88

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Solution

The fourth proportional to 467,411.85, 645,028.65 and 252,551.88 is: 348,521.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,411.85 : 645,028.65 = 252,551.88 : x
  2. Step 2: Convert to fraction form
    467,411.85/645,028.65 = 252,551.88/x
  3. Step 3: Cross multiply
    467,411.85x = 645,028.65 × 252,551.88
  4. Step 4: Simplify right side
    467,411.85x = 162,903,198,211.36
  5. Step 5: Solve for x
    x = 162,903,198,211.36/467,411.85
  6. Step 6: Final answer
    x = 348,521.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.