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Finding the Fourth Proportional to 238,321.26, 328,882.86 and 130,892.22

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Solution

The fourth proportional to 238,321.26, 328,882.86 and 130,892.22 is: 180,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,321.26 : 328,882.86 = 130,892.22 : x
  2. Step 2: Convert to fraction form
    238,321.26/328,882.86 = 130,892.22/x
  3. Step 3: Cross multiply
    238,321.26x = 328,882.86 × 130,892.22
  4. Step 4: Simplify right side
    238,321.26x = 43,048,207,665.35
  5. Step 5: Solve for x
    x = 43,048,207,665.35/238,321.26
  6. Step 6: Final answer
    x = 180,631.00

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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.