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Finding the Fourth Proportional to 696,309.41, 1,044,468 and 316,964.88

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Solution

The fourth proportional to 696,309.41, 1,044,468 and 316,964.88 is: 475,449.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,309.41 : 1,044,468 = 316,964.88 : x
  2. Step 2: Convert to fraction form
    696,309.41/1,044,468 = 316,964.88/x
  3. Step 3: Cross multiply
    696,309.41x = 1,044,468 × 316,964.88
  4. Step 4: Simplify right side
    696,309.41x = 331,059,674,283.84
  5. Step 5: Solve for x
    x = 331,059,674,283.84/696,309.41
  6. Step 6: Final answer
    x = 475,449.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.