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Finding the Fourth Proportional to 650,979.57, 976,420.76 and 201,703.89

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Solution

The fourth proportional to 650,979.57, 976,420.76 and 201,703.89 is: 302,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,979.57 : 976,420.76 = 201,703.89 : x
  2. Step 2: Convert to fraction form
    650,979.57/976,420.76 = 201,703.89/x
  3. Step 3: Cross multiply
    650,979.57x = 976,420.76 × 201,703.89
  4. Step 4: Simplify right side
    650,979.57x = 196,947,864,560.24
  5. Step 5: Solve for x
    x = 196,947,864,560.24/650,979.57
  6. Step 6: Final answer
    x = 302,540.78

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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.