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Finding the Fourth Proportional to 882,046.64, 1,217,277.48 and 519,712

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Solution

The fourth proportional to 882,046.64, 1,217,277.48 and 519,712 is: 717,233.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,046.64 : 1,217,277.48 = 519,712 : x
  2. Step 2: Convert to fraction form
    882,046.64/1,217,277.48 = 519,712/x
  3. Step 3: Cross multiply
    882,046.64x = 1,217,277.48 × 519,712
  4. Step 4: Simplify right side
    882,046.64x = 632,633,713,685.76
  5. Step 5: Solve for x
    x = 632,633,713,685.76/882,046.64
  6. Step 6: Final answer
    x = 717,233.86

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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.