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Finding the Fourth Proportional to 311,666.71, 467,500.17 and 75,009.39

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Solution

The fourth proportional to 311,666.71, 467,500.17 and 75,009.39 is: 112,514.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,666.71 : 467,500.17 = 75,009.39 : x
  2. Step 2: Convert to fraction form
    311,666.71/467,500.17 = 75,009.39/x
  3. Step 3: Cross multiply
    311,666.71x = 467,500.17 × 75,009.39
  4. Step 4: Simplify right side
    311,666.71x = 35,066,902,874.24
  5. Step 5: Solve for x
    x = 35,066,902,874.24/311,666.71
  6. Step 6: Final answer
    x = 112,514.11

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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.