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Finding the Fourth Proportional to 316,892.67, 475,334.49 and 77,008.33

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Solution

The fourth proportional to 316,892.67, 475,334.49 and 77,008.33 is: 115,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,892.67 : 475,334.49 = 77,008.33 : x
  2. Step 2: Convert to fraction form
    316,892.67/475,334.49 = 77,008.33/x
  3. Step 3: Cross multiply
    316,892.67x = 475,334.49 × 77,008.33
  4. Step 4: Simplify right side
    316,892.67x = 36,604,715,266.30
  5. Step 5: Solve for x
    x = 36,604,715,266.30/316,892.67
  6. Step 6: Final answer
    x = 115,511.40

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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.