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Finding the Fourth Proportional to 304,329.20, 456,493.80 and 126,777.20

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Solution

The fourth proportional to 304,329.20, 456,493.80 and 126,777.20 is: 190,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,329.20 : 456,493.80 = 126,777.20 : x
  2. Step 2: Convert to fraction form
    304,329.20/456,493.80 = 126,777.20/x
  3. Step 3: Cross multiply
    304,329.20x = 456,493.80 × 126,777.20
  4. Step 4: Simplify right side
    304,329.20x = 57,873,005,781.36
  5. Step 5: Solve for x
    x = 57,873,005,781.36/304,329.20
  6. Step 6: Final answer
    x = 190,165.80

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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.