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Finding the Fourth Proportional to 616,219.98, 925,091.16 and 292,317.78

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Solution

The fourth proportional to 616,219.98, 925,091.16 and 292,317.78 is: 438,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,219.98 : 925,091.16 = 292,317.78 : x
  2. Step 2: Convert to fraction form
    616,219.98/925,091.16 = 292,317.78/x
  3. Step 3: Cross multiply
    616,219.98x = 925,091.16 × 292,317.78
  4. Step 4: Simplify right side
    616,219.98x = 270,420,594,188.83
  5. Step 5: Solve for x
    x = 270,420,594,188.83/616,219.98
  6. Step 6: Final answer
    x = 438,837.76

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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.