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Finding the Fourth Proportional to 650,617.92, 976,020.16 and 201,378.24

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Solution

The fourth proportional to 650,617.92, 976,020.16 and 201,378.24 is: 302,096.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,617.92 : 976,020.16 = 201,378.24 : x
  2. Step 2: Convert to fraction form
    650,617.92/976,020.16 = 201,378.24/x
  3. Step 3: Cross multiply
    650,617.92x = 976,020.16 × 201,378.24
  4. Step 4: Simplify right side
    650,617.92x = 196,549,222,025.32
  5. Step 5: Solve for x
    x = 196,549,222,025.32/650,617.92
  6. Step 6: Final answer
    x = 302,096.23

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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.