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Finding the Fourth Proportional to 370,199.30, 510,876.62 and 200,433.42

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Solution

The fourth proportional to 370,199.30, 510,876.62 and 200,433.42 is: 276,598.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,199.30 : 510,876.62 = 200,433.42 : x
  2. Step 2: Convert to fraction form
    370,199.30/510,876.62 = 200,433.42/x
  3. Step 3: Cross multiply
    370,199.30x = 510,876.62 × 200,433.42
  4. Step 4: Simplify right side
    370,199.30x = 102,396,747,894.10
  5. Step 5: Solve for x
    x = 102,396,747,894.10/370,199.30
  6. Step 6: Final answer
    x = 276,598.98

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1.5x scale

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.