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Finding the Fourth Proportional to 456,754.48, 630,322.41 and 252,819.43

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Solution

The fourth proportional to 456,754.48, 630,322.41 and 252,819.43 is: 348,891.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,754.48 : 630,322.41 = 252,819.43 : x
  2. Step 2: Convert to fraction form
    456,754.48/630,322.41 = 252,819.43/x
  3. Step 3: Cross multiply
    456,754.48x = 630,322.41 × 252,819.43
  4. Step 4: Simplify right side
    456,754.48x = 159,357,752,412.43
  5. Step 5: Solve for x
    x = 159,357,752,412.43/456,754.48
  6. Step 6: Final answer
    x = 348,891.49

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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.