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Finding the Fourth Proportional to 330,459.66, 456,037.11 and 179,556.66

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Solution

The fourth proportional to 330,459.66, 456,037.11 and 179,556.66 is: 247,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,459.66 : 456,037.11 = 179,556.66 : x
  2. Step 2: Convert to fraction form
    330,459.66/456,037.11 = 179,556.66/x
  3. Step 3: Cross multiply
    330,459.66x = 456,037.11 × 179,556.66
  4. Step 4: Simplify right side
    330,459.66x = 81,884,500,307.65
  5. Step 5: Solve for x
    x = 81,884,500,307.65/330,459.66
  6. Step 6: Final answer
    x = 247,789.70

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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.