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Finding the Fourth Proportional to 328,652.97, 453,561.84 and 185,360.73

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Solution

The fourth proportional to 328,652.97, 453,561.84 and 185,360.73 is: 255,809.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,652.97 : 453,561.84 = 185,360.73 : x
  2. Step 2: Convert to fraction form
    328,652.97/453,561.84 = 185,360.73/x
  3. Step 3: Cross multiply
    328,652.97x = 453,561.84 × 185,360.73
  4. Step 4: Simplify right side
    328,652.97x = 84,072,553,762.54
  5. Step 5: Solve for x
    x = 84,072,553,762.54/328,652.97
  6. Step 6: Final answer
    x = 255,809.51

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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.