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Finding the Fourth Proportional to 586,668.78, 880,256.01 and 316,743.30

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Solution

The fourth proportional to 586,668.78, 880,256.01 and 316,743.30 is: 475,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,668.78 : 880,256.01 = 316,743.30 : x
  2. Step 2: Convert to fraction form
    586,668.78/880,256.01 = 316,743.30/x
  3. Step 3: Cross multiply
    586,668.78x = 880,256.01 × 316,743.30
  4. Step 4: Simplify right side
    586,668.78x = 278,815,193,452.23
  5. Step 5: Solve for x
    x = 278,815,193,452.23/586,668.78
  6. Step 6: Final answer
    x = 475,251.46

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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.