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Finding the Fourth Proportional to 364,031.10, 546,046.65 and 111,311.10

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Solution

The fourth proportional to 364,031.10, 546,046.65 and 111,311.10 is: 166,966.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,031.10 : 546,046.65 = 111,311.10 : x
  2. Step 2: Convert to fraction form
    364,031.10/546,046.65 = 111,311.10/x
  3. Step 3: Cross multiply
    364,031.10x = 546,046.65 × 111,311.10
  4. Step 4: Simplify right side
    364,031.10x = 60,781,053,262.82
  5. Step 5: Solve for x
    x = 60,781,053,262.82/364,031.10
  6. Step 6: Final answer
    x = 166,966.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.