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Finding the Fourth Proportional to 283,411.44, 391,078.85 and 174,498.48

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Solution

The fourth proportional to 283,411.44, 391,078.85 and 174,498.48 is: 240,790.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,411.44 : 391,078.85 = 174,498.48 : x
  2. Step 2: Convert to fraction form
    283,411.44/391,078.85 = 174,498.48/x
  3. Step 3: Cross multiply
    283,411.44x = 391,078.85 × 174,498.48
  4. Step 4: Simplify right side
    283,411.44x = 68,242,664,012.66
  5. Step 5: Solve for x
    x = 68,242,664,012.66/283,411.44
  6. Step 6: Final answer
    x = 240,790.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.