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Finding the Fourth Proportional to 291,633.56, 402,458.40 and 162,568.36

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Solution

The fourth proportional to 291,633.56, 402,458.40 and 162,568.36 is: 224,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,633.56 : 402,458.40 = 162,568.36 : x
  2. Step 2: Convert to fraction form
    291,633.56/402,458.40 = 162,568.36/x
  3. Step 3: Cross multiply
    291,633.56x = 402,458.40 × 162,568.36
  4. Step 4: Simplify right side
    291,633.56x = 65,427,002,056.22
  5. Step 5: Solve for x
    x = 65,427,002,056.22/291,633.56
  6. Step 6: Final answer
    x = 224,346.62

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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.