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Finding the Fourth Proportional to 328,995.73, 454,035.54 and 185,759.38

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Solution

The fourth proportional to 328,995.73, 454,035.54 and 185,759.38 is: 256,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,995.73 : 454,035.54 = 185,759.38 : x
  2. Step 2: Convert to fraction form
    328,995.73/454,035.54 = 185,759.38/x
  3. Step 3: Cross multiply
    328,995.73x = 454,035.54 × 185,759.38
  4. Step 4: Simplify right side
    328,995.73x = 84,341,360,408.37
  5. Step 5: Solve for x
    x = 84,341,360,408.37/328,995.73
  6. Step 6: Final answer
    x = 256,360.05

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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.