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Finding the Fourth Proportional to 571,805.26, 857,379.74 and 216,592.72

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Solution

The fourth proportional to 571,805.26, 857,379.74 and 216,592.72 is: 324,764.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,805.26 : 857,379.74 = 216,592.72 : x
  2. Step 2: Convert to fraction form
    571,805.26/857,379.74 = 216,592.72/x
  3. Step 3: Cross multiply
    571,805.26x = 857,379.74 × 216,592.72
  4. Step 4: Simplify right side
    571,805.26x = 185,702,209,959.49
  5. Step 5: Solve for x
    x = 185,702,209,959.49/571,805.26
  6. Step 6: Final answer
    x = 324,764.78

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1.5x scale

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.