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Finding the Fourth Proportional to 283,326.72, 391,005.24 and 160,827.72

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Solution

The fourth proportional to 283,326.72, 391,005.24 and 160,827.72 is: 221,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,326.72 : 391,005.24 = 160,827.72 : x
  2. Step 2: Convert to fraction form
    283,326.72/391,005.24 = 160,827.72/x
  3. Step 3: Cross multiply
    283,326.72x = 391,005.24 × 160,827.72
  4. Step 4: Simplify right side
    283,326.72x = 62,884,481,257.25
  5. Step 5: Solve for x
    x = 62,884,481,257.25/283,326.72
  6. Step 6: Final answer
    x = 221,950.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.