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Finding the Fourth Proportional to 579,422.30, 868,096.65 and 473,668.70

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Solution

The fourth proportional to 579,422.30, 868,096.65 and 473,668.70 is: 709,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,422.30 : 868,096.65 = 473,668.70 : x
  2. Step 2: Convert to fraction form
    579,422.30/868,096.65 = 473,668.70/x
  3. Step 3: Cross multiply
    579,422.30x = 868,096.65 × 473,668.70
  4. Step 4: Simplify right side
    579,422.30x = 411,190,211,679.86
  5. Step 5: Solve for x
    x = 411,190,211,679.86/579,422.30
  6. Step 6: Final answer
    x = 709,655.48

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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.