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Finding the Fourth Proportional to 304,502.40, 456,141.24 and 171,182.88

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Solution

The fourth proportional to 304,502.40, 456,141.24 and 171,182.88 is: 256,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,502.40 : 456,141.24 = 171,182.88 : x
  2. Step 2: Convert to fraction form
    304,502.40/456,141.24 = 171,182.88/x
  3. Step 3: Cross multiply
    304,502.40x = 456,141.24 × 171,182.88
  4. Step 4: Simplify right side
    304,502.40x = 78,083,571,149.97
  5. Step 5: Solve for x
    x = 78,083,571,149.97/304,502.40
  6. Step 6: Final answer
    x = 256,430.07

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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.