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Finding the Fourth Proportional to 616,791.24, 925,284.78 and 217,554.12

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Solution

The fourth proportional to 616,791.24, 925,284.78 and 217,554.12 is: 326,365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,791.24 : 925,284.78 = 217,554.12 : x
  2. Step 2: Convert to fraction form
    616,791.24/925,284.78 = 217,554.12/x
  3. Step 3: Cross multiply
    616,791.24x = 925,284.78 × 217,554.12
  4. Step 4: Simplify right side
    616,791.24x = 201,299,516,062.29
  5. Step 5: Solve for x
    x = 201,299,516,062.29/616,791.24
  6. Step 6: Final answer
    x = 326,365.72

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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.