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Finding the Fourth Proportional to 272,422.76, 375,730.40 and 176,960.21

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Solution

The fourth proportional to 272,422.76, 375,730.40 and 176,960.21 is: 244,066.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,422.76 : 375,730.40 = 176,960.21 : x
  2. Step 2: Convert to fraction form
    272,422.76/375,730.40 = 176,960.21/x
  3. Step 3: Cross multiply
    272,422.76x = 375,730.40 × 176,960.21
  4. Step 4: Simplify right side
    272,422.76x = 66,489,329,602.58
  5. Step 5: Solve for x
    x = 66,489,329,602.58/272,422.76
  6. Step 6: Final answer
    x = 244,066.72

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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.