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Finding the Fourth Proportional to 321,166.59, 443,031.35 and 252,932.19

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Solution

The fourth proportional to 321,166.59, 443,031.35 and 252,932.19 is: 348,905.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,166.59 : 443,031.35 = 252,932.19 : x
  2. Step 2: Convert to fraction form
    321,166.59/443,031.35 = 252,932.19/x
  3. Step 3: Cross multiply
    321,166.59x = 443,031.35 × 252,932.19
  4. Step 4: Simplify right side
    321,166.59x = 112,056,888,329.50
  5. Step 5: Solve for x
    x = 112,056,888,329.50/321,166.59
  6. Step 6: Final answer
    x = 348,905.81

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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.