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Finding the Fourth Proportional to 341,505.10, 512,252.85 and 154,516.30

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Solution

The fourth proportional to 341,505.10, 512,252.85 and 154,516.30 is: 231,772.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,505.10 : 512,252.85 = 154,516.30 : x
  2. Step 2: Convert to fraction form
    341,505.10/512,252.85 = 154,516.30/x
  3. Step 3: Cross multiply
    341,505.10x = 512,252.85 × 154,516.30
  4. Step 4: Simplify right side
    341,505.10x = 79,151,415,046.46
  5. Step 5: Solve for x
    x = 79,151,415,046.46/341,505.10
  6. Step 6: Final answer
    x = 231,772.28

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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.