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Finding the Fourth Proportional to 353,095.61, 487,266.17 and 191,954.66

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Solution

The fourth proportional to 353,095.61, 487,266.17 and 191,954.66 is: 264,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,095.61 : 487,266.17 = 191,954.66 : x
  2. Step 2: Convert to fraction form
    353,095.61/487,266.17 = 191,954.66/x
  3. Step 3: Cross multiply
    353,095.61x = 487,266.17 × 191,954.66
  4. Step 4: Simplify right side
    353,095.61x = 93,533,008,595.75
  5. Step 5: Solve for x
    x = 93,533,008,595.75/353,095.61
  6. Step 6: Final answer
    x = 264,894.29

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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.