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Finding the Fourth Proportional to 477,626.27, 716,439.28 and 327,411.15

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Solution

The fourth proportional to 477,626.27, 716,439.28 and 327,411.15 is: 491,116.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,626.27 : 716,439.28 = 327,411.15 : x
  2. Step 2: Convert to fraction form
    477,626.27/716,439.28 = 327,411.15/x
  3. Step 3: Cross multiply
    477,626.27x = 716,439.28 × 327,411.15
  4. Step 4: Simplify right side
    477,626.27x = 234,570,207,751.44
  5. Step 5: Solve for x
    x = 234,570,207,751.44/477,626.27
  6. Step 6: Final answer
    x = 491,116.64

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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.