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Finding the Fourth Proportional to 571,898.74, 857,290.26 and 272,298.82

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Solution

The fourth proportional to 571,898.74, 857,290.26 and 272,298.82 is: 408,182.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,898.74 : 857,290.26 = 272,298.82 : x
  2. Step 2: Convert to fraction form
    571,898.74/857,290.26 = 272,298.82/x
  3. Step 3: Cross multiply
    571,898.74x = 857,290.26 × 272,298.82
  4. Step 4: Simplify right side
    571,898.74x = 233,439,126,195.49
  5. Step 5: Solve for x
    x = 233,439,126,195.49/571,898.74
  6. Step 6: Final answer
    x = 408,182.62

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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.