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Finding the Fourth Proportional to 304,426.80, 456,640.20 and 186,037.20

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Solution

The fourth proportional to 304,426.80, 456,640.20 and 186,037.20 is: 279,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,426.80 : 456,640.20 = 186,037.20 : x
  2. Step 2: Convert to fraction form
    304,426.80/456,640.20 = 186,037.20/x
  3. Step 3: Cross multiply
    304,426.80x = 456,640.20 × 186,037.20
  4. Step 4: Simplify right side
    304,426.80x = 84,952,064,215.44
  5. Step 5: Solve for x
    x = 84,952,064,215.44/304,426.80
  6. Step 6: Final answer
    x = 279,055.80

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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.