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Finding the Fourth Proportional to 318,256.59, 439,193.52 and 182,334.54

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Solution

The fourth proportional to 318,256.59, 439,193.52 and 182,334.54 is: 251,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,256.59 : 439,193.52 = 182,334.54 : x
  2. Step 2: Convert to fraction form
    318,256.59/439,193.52 = 182,334.54/x
  3. Step 3: Cross multiply
    318,256.59x = 439,193.52 × 182,334.54
  4. Step 4: Simplify right side
    318,256.59x = 80,080,148,440.18
  5. Step 5: Solve for x
    x = 80,080,148,440.18/318,256.59
  6. Step 6: Final answer
    x = 251,621.34

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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.