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Finding the Fourth Proportional to 238,841.45, 329,218.69 and 181,293.28

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Solution

The fourth proportional to 238,841.45, 329,218.69 and 181,293.28 is: 249,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,841.45 : 329,218.69 = 181,293.28 : x
  2. Step 2: Convert to fraction form
    238,841.45/329,218.69 = 181,293.28/x
  3. Step 3: Cross multiply
    238,841.45x = 329,218.69 × 181,293.28
  4. Step 4: Simplify right side
    238,841.45x = 59,685,136,147.40
  5. Step 5: Solve for x
    x = 59,685,136,147.40/238,841.45
  6. Step 6: Final answer
    x = 249,894.38

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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.