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Finding the Fourth Proportional to 330,898.96, 456,641.64 and 179,995.92

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Solution

The fourth proportional to 330,898.96, 456,641.64 and 179,995.92 is: 248,394.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,898.96 : 456,641.64 = 179,995.92 : x
  2. Step 2: Convert to fraction form
    330,898.96/456,641.64 = 179,995.92/x
  3. Step 3: Cross multiply
    330,898.96x = 456,641.64 × 179,995.92
  4. Step 4: Simplify right side
    330,898.96x = 82,193,632,102.11
  5. Step 5: Solve for x
    x = 82,193,632,102.11/330,898.96
  6. Step 6: Final answer
    x = 248,394.95

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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.