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Finding the Fourth Proportional to 352,875.30, 486,959.49 and 191,726.70

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Solution

The fourth proportional to 352,875.30, 486,959.49 and 191,726.70 is: 264,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,875.30 : 486,959.49 = 191,726.70 : x
  2. Step 2: Convert to fraction form
    352,875.30/486,959.49 = 191,726.70/x
  3. Step 3: Cross multiply
    352,875.30x = 486,959.49 × 191,726.70
  4. Step 4: Simplify right side
    352,875.30x = 93,363,136,051.38
  5. Step 5: Solve for x
    x = 93,363,136,051.38/352,875.30
  6. Step 6: Final answer
    x = 264,578.27

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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.