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Finding the Fourth Proportional to 291,576.30, 402,377.16 and 162,522.96

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Solution

The fourth proportional to 291,576.30, 402,377.16 and 162,522.96 is: 224,282.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,576.30 : 402,377.16 = 162,522.96 : x
  2. Step 2: Convert to fraction form
    291,576.30/402,377.16 = 162,522.96/x
  3. Step 3: Cross multiply
    291,576.30x = 402,377.16 × 162,522.96
  4. Step 4: Simplify right side
    291,576.30x = 65,395,527,079.59
  5. Step 5: Solve for x
    x = 65,395,527,079.59/291,576.30
  6. Step 6: Final answer
    x = 224,282.72

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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.