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Finding the Fourth Proportional to 328,886.52, 453,864.78 and 185,648.28

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Solution

The fourth proportional to 328,886.52, 453,864.78 and 185,648.28 is: 256,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,886.52 : 453,864.78 = 185,648.28 : x
  2. Step 2: Convert to fraction form
    328,886.52/453,864.78 = 185,648.28/x
  3. Step 3: Cross multiply
    328,886.52x = 453,864.78 × 185,648.28
  4. Step 4: Simplify right side
    328,886.52x = 84,259,215,759.58
  5. Step 5: Solve for x
    x = 84,259,215,759.58/328,886.52
  6. Step 6: Final answer
    x = 256,195.41

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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.