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Finding the Fourth Proportional to 328,512.97, 453,341.91 and 185,273.11

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Solution

The fourth proportional to 328,512.97, 453,341.91 and 185,273.11 is: 255,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,512.97 : 453,341.91 = 185,273.11 : x
  2. Step 2: Convert to fraction form
    328,512.97/453,341.91 = 185,273.11/x
  3. Step 3: Cross multiply
    328,512.97x = 453,341.91 × 185,273.11
  4. Step 4: Simplify right side
    328,512.97x = 83,992,065,559.04
  5. Step 5: Solve for x
    x = 83,992,065,559.04/328,512.97
  6. Step 6: Final answer
    x = 255,673.51

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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.