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Finding the Fourth Proportional to 328,879.24, 453,873.78 and 185,587

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Solution

The fourth proportional to 328,879.24, 453,873.78 and 185,587 is: 256,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,879.24 : 453,873.78 = 185,587 : x
  2. Step 2: Convert to fraction form
    328,879.24/453,873.78 = 185,587/x
  3. Step 3: Cross multiply
    328,879.24x = 453,873.78 × 185,587
  4. Step 4: Simplify right side
    328,879.24x = 84,233,073,208.86
  5. Step 5: Solve for x
    x = 84,233,073,208.86/328,879.24
  6. Step 6: Final answer
    x = 256,121.59

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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.