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Finding the Fourth Proportional to 304,080.40, 419,624.04 and 169,944.40

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Solution

The fourth proportional to 304,080.40, 419,624.04 and 169,944.40 is: 234,519.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,080.40 : 419,624.04 = 169,944.40 : x
  2. Step 2: Convert to fraction form
    304,080.40/419,624.04 = 169,944.40/x
  3. Step 3: Cross multiply
    304,080.40x = 419,624.04 × 169,944.40
  4. Step 4: Simplify right side
    304,080.40x = 71,312,755,703.38
  5. Step 5: Solve for x
    x = 71,312,755,703.38/304,080.40
  6. Step 6: Final answer
    x = 234,519.41

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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.