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Finding the Fourth Proportional to 228,691.41, 341,726.66 and 174,357.21

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Solution

The fourth proportional to 228,691.41, 341,726.66 and 174,357.21 is: 260,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,691.41 : 341,726.66 = 174,357.21 : x
  2. Step 2: Convert to fraction form
    228,691.41/341,726.66 = 174,357.21/x
  3. Step 3: Cross multiply
    228,691.41x = 341,726.66 × 174,357.21
  4. Step 4: Simplify right side
    228,691.41x = 59,582,507,020.22
  5. Step 5: Solve for x
    x = 59,582,507,020.22/228,691.41
  6. Step 6: Final answer
    x = 260,536.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.