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Finding the Fourth Proportional to 343,758.15, 474,443.33 and 200,518.29

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Solution

The fourth proportional to 343,758.15, 474,443.33 and 200,518.29 is: 276,748.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,758.15 : 474,443.33 = 200,518.29 : x
  2. Step 2: Convert to fraction form
    343,758.15/474,443.33 = 200,518.29/x
  3. Step 3: Cross multiply
    343,758.15x = 474,443.33 × 200,518.29
  4. Step 4: Simplify right side
    343,758.15x = 95,134,564,230.91
  5. Step 5: Solve for x
    x = 95,134,564,230.91/343,758.15
  6. Step 6: Final answer
    x = 276,748.53

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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.