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Finding the Fourth Proportional to 330,633.55, 456,278.84 and 179,733.79

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Solution

The fourth proportional to 330,633.55, 456,278.84 and 179,733.79 is: 248,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,633.55 : 456,278.84 = 179,733.79 : x
  2. Step 2: Convert to fraction form
    330,633.55/456,278.84 = 179,733.79/x
  3. Step 3: Cross multiply
    330,633.55x = 456,278.84 × 179,733.79
  4. Step 4: Simplify right side
    330,633.55x = 82,008,725,210.00
  5. Step 5: Solve for x
    x = 82,008,725,210.00/330,633.55
  6. Step 6: Final answer
    x = 248,035.10

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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.