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Finding the Fourth Proportional to 220,624.09, 304,481.84 and 130,008.17

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Solution

The fourth proportional to 220,624.09, 304,481.84 and 130,008.17 is: 179,423.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,624.09 : 304,481.84 = 130,008.17 : x
  2. Step 2: Convert to fraction form
    220,624.09/304,481.84 = 130,008.17/x
  3. Step 3: Cross multiply
    220,624.09x = 304,481.84 × 130,008.17
  4. Step 4: Simplify right side
    220,624.09x = 39,585,126,927.80
  5. Step 5: Solve for x
    x = 39,585,126,927.80/220,624.09
  6. Step 6: Final answer
    x = 179,423.41

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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.