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Finding the Fourth Proportional to 467,608.65, 645,302.90 and 252,748.20

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Solution

The fourth proportional to 467,608.65, 645,302.90 and 252,748.20 is: 348,794.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,608.65 : 645,302.90 = 252,748.20 : x
  2. Step 2: Convert to fraction form
    467,608.65/645,302.90 = 252,748.20/x
  3. Step 3: Cross multiply
    467,608.65x = 645,302.90 × 252,748.20
  4. Step 4: Simplify right side
    467,608.65x = 163,099,146,429.78
  5. Step 5: Solve for x
    x = 163,099,146,429.78/467,608.65
  6. Step 6: Final answer
    x = 348,794.12

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1.5x scale

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.