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Finding the Fourth Proportional to 318,230.52, 439,159.68 and 174,999.84

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Solution

The fourth proportional to 318,230.52, 439,159.68 and 174,999.84 is: 241,500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,230.52 : 439,159.68 = 174,999.84 : x
  2. Step 2: Convert to fraction form
    318,230.52/439,159.68 = 174,999.84/x
  3. Step 3: Cross multiply
    318,230.52x = 439,159.68 × 174,999.84
  4. Step 4: Simplify right side
    318,230.52x = 76,852,873,734.45
  5. Step 5: Solve for x
    x = 76,852,873,734.45/318,230.52
  6. Step 6: Final answer
    x = 241,500.64

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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.