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Finding the Fourth Proportional to 467,734.70, 645,473.94 and 252,874.71

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Solution

The fourth proportional to 467,734.70, 645,473.94 and 252,874.71 is: 348,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,734.70 : 645,473.94 = 252,874.71 : x
  2. Step 2: Convert to fraction form
    467,734.70/645,473.94 = 252,874.71/x
  3. Step 3: Cross multiply
    467,734.70x = 645,473.94 × 252,874.71
  4. Step 4: Simplify right side
    467,734.70x = 163,224,035,152.99
  5. Step 5: Solve for x
    x = 163,224,035,152.99/467,734.70
  6. Step 6: Final answer
    x = 348,967.13

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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.