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Finding the Fourth Proportional to 572,862.48, 859,294.85 and 213,112.22

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Solution

The fourth proportional to 572,862.48, 859,294.85 and 213,112.22 is: 319,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,862.48 : 859,294.85 = 213,112.22 : x
  2. Step 2: Convert to fraction form
    572,862.48/859,294.85 = 213,112.22/x
  3. Step 3: Cross multiply
    572,862.48x = 859,294.85 × 213,112.22
  4. Step 4: Simplify right side
    572,862.48x = 183,126,227,756.03
  5. Step 5: Solve for x
    x = 183,126,227,756.03/572,862.48
  6. Step 6: Final answer
    x = 319,668.74

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Similar ratio
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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.