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Finding the Fourth Proportional to 616,889.21, 925,238.12 and 237,987.35

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Solution

The fourth proportional to 616,889.21, 925,238.12 and 237,987.35 is: 356,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,889.21 : 925,238.12 = 237,987.35 : x
  2. Step 2: Convert to fraction form
    616,889.21/925,238.12 = 237,987.35/x
  3. Step 3: Cross multiply
    616,889.21x = 925,238.12 × 237,987.35
  4. Step 4: Simplify right side
    616,889.21x = 220,194,962,481.66
  5. Step 5: Solve for x
    x = 220,194,962,481.66/616,889.21
  6. Step 6: Final answer
    x = 356,944.10

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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.