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Finding the Fourth Proportional to 330,663, 456,313.80 and 179,758.92

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Solution

The fourth proportional to 330,663, 456,313.80 and 179,758.92 is: 248,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,663 : 456,313.80 = 179,758.92 : x
  2. Step 2: Convert to fraction form
    330,663/456,313.80 = 179,758.92/x
  3. Step 3: Cross multiply
    330,663x = 456,313.80 × 179,758.92
  4. Step 4: Simplify right side
    330,663x = 82,026,475,869.10
  5. Step 5: Solve for x
    x = 82,026,475,869.10/330,663
  6. Step 6: Final answer
    x = 248,066.69

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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.