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Finding the Fourth Proportional to 330,633.31, 456,278.97 and 185,471.28

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Solution

The fourth proportional to 330,633.31, 456,278.97 and 185,471.28 is: 255,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,633.31 : 456,278.97 = 185,471.28 : x
  2. Step 2: Convert to fraction form
    330,633.31/456,278.97 = 185,471.28/x
  3. Step 3: Cross multiply
    330,633.31x = 456,278.97 × 185,471.28
  4. Step 4: Simplify right side
    330,633.31x = 84,626,644,602.98
  5. Step 5: Solve for x
    x = 84,626,644,602.98/330,633.31
  6. Step 6: Final answer
    x = 255,953.17

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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.