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Finding the Fourth Proportional to 318,195, 439,097.86 and 174,954.04

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Solution

The fourth proportional to 318,195, 439,097.86 and 174,954.04 is: 241,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,195 : 439,097.86 = 174,954.04 : x
  2. Step 2: Convert to fraction form
    318,195/439,097.86 = 174,954.04/x
  3. Step 3: Cross multiply
    318,195x = 439,097.86 × 174,954.04
  4. Step 4: Simplify right side
    318,195x = 76,821,944,562.35
  5. Step 5: Solve for x
    x = 76,821,944,562.35/318,195
  6. Step 6: Final answer
    x = 241,430.40

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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.