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Finding the Fourth Proportional to 330,647.12, 456,298.12 and 179,744.72

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Solution

The fourth proportional to 330,647.12, 456,298.12 and 179,744.72 is: 248,050.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,647.12 : 456,298.12 = 179,744.72 : x
  2. Step 2: Convert to fraction form
    330,647.12/456,298.12 = 179,744.72/x
  3. Step 3: Cross multiply
    330,647.12x = 456,298.12 × 179,744.72
  4. Step 4: Simplify right side
    330,647.12x = 82,017,177,815.93
  5. Step 5: Solve for x
    x = 82,017,177,815.93/330,647.12
  6. Step 6: Final answer
    x = 248,050.48

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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.