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Finding the Fourth Proportional to 467,144.65, 644,659.46 and 252,284.76

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Solution

The fourth proportional to 467,144.65, 644,659.46 and 252,284.76 is: 348,152.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,144.65 : 644,659.46 = 252,284.76 : x
  2. Step 2: Convert to fraction form
    467,144.65/644,659.46 = 252,284.76/x
  3. Step 3: Cross multiply
    467,144.65x = 644,659.46 × 252,284.76
  4. Step 4: Simplify right side
    467,144.65x = 162,637,756,832.47
  5. Step 5: Solve for x
    x = 162,637,756,832.47/467,144.65
  6. Step 6: Final answer
    x = 348,152.88

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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.