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Finding the Fourth Proportional to 510,974.48, 766,813.56 and 178,550.48

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Solution

The fourth proportional to 510,974.48, 766,813.56 and 178,550.48 is: 267,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,974.48 : 766,813.56 = 178,550.48 : x
  2. Step 2: Convert to fraction form
    510,974.48/766,813.56 = 178,550.48/x
  3. Step 3: Cross multiply
    510,974.48x = 766,813.56 × 178,550.48
  4. Step 4: Simplify right side
    510,974.48x = 136,914,929,208.51
  5. Step 5: Solve for x
    x = 136,914,929,208.51/510,974.48
  6. Step 6: Final answer
    x = 267,948.66

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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.