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Finding the Fourth Proportional to 311,350.78, 467,060.82 and 133,875.64

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Solution

The fourth proportional to 311,350.78, 467,060.82 and 133,875.64 is: 200,828.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,350.78 : 467,060.82 = 133,875.64 : x
  2. Step 2: Convert to fraction form
    311,350.78/467,060.82 = 133,875.64/x
  3. Step 3: Cross multiply
    311,350.78x = 467,060.82 × 133,875.64
  4. Step 4: Simplify right side
    311,350.78x = 62,528,066,196.42
  5. Step 5: Solve for x
    x = 62,528,066,196.42/311,350.78
  6. Step 6: Final answer
    x = 200,828.36

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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.