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Finding the Fourth Proportional to 600,760.92, 900,146.31 and 422,396.49

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Solution

The fourth proportional to 600,760.92, 900,146.31 and 422,396.49 is: 632,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,760.92 : 900,146.31 = 422,396.49 : x
  2. Step 2: Convert to fraction form
    600,760.92/900,146.31 = 422,396.49/x
  3. Step 3: Cross multiply
    600,760.92x = 900,146.31 × 422,396.49
  4. Step 4: Simplify right side
    600,760.92x = 380,218,641,830.45
  5. Step 5: Solve for x
    x = 380,218,641,830.45/600,760.92
  6. Step 6: Final answer
    x = 632,895.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.