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Finding the Fourth Proportional to 352,397.41, 486,312.06 and 191,253.85

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Solution

The fourth proportional to 352,397.41, 486,312.06 and 191,253.85 is: 263,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,397.41 : 486,312.06 = 191,253.85 : x
  2. Step 2: Convert to fraction form
    352,397.41/486,312.06 = 191,253.85/x
  3. Step 3: Cross multiply
    352,397.41x = 486,312.06 × 191,253.85
  4. Step 4: Simplify right side
    352,397.41x = 93,009,053,776.43
  5. Step 5: Solve for x
    x = 93,009,053,776.43/352,397.41
  6. Step 6: Final answer
    x = 263,932.29

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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.