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Finding the Fourth Proportional to 873,668.76, 1,206,034.92 and 587,354.91

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Solution

The fourth proportional to 873,668.76, 1,206,034.92 and 587,354.91 is: 810,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,668.76 : 1,206,034.92 = 587,354.91 : x
  2. Step 2: Convert to fraction form
    873,668.76/1,206,034.92 = 587,354.91/x
  3. Step 3: Cross multiply
    873,668.76x = 1,206,034.92 × 587,354.91
  4. Step 4: Simplify right side
    873,668.76x = 708,370,531,893.46
  5. Step 5: Solve for x
    x = 708,370,531,893.46/873,668.76
  6. Step 6: Final answer
    x = 810,799.89

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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.