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Finding the Fourth Proportional to 571,882.48, 856,948.92 and 305,680.84

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Solution

The fourth proportional to 571,882.48, 856,948.92 and 305,680.84 is: 458,053.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,882.48 : 856,948.92 = 305,680.84 : x
  2. Step 2: Convert to fraction form
    571,882.48/856,948.92 = 305,680.84/x
  3. Step 3: Cross multiply
    571,882.48x = 856,948.92 × 305,680.84
  4. Step 4: Simplify right side
    571,882.48x = 261,952,865,702.69
  5. Step 5: Solve for x
    x = 261,952,865,702.69/571,882.48
  6. Step 6: Final answer
    x = 458,053.66

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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.