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Finding the Fourth Proportional to 330,455.64, 456,029.97 and 179,552.64

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Solution

The fourth proportional to 330,455.64, 456,029.97 and 179,552.64 is: 247,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,455.64 : 456,029.97 = 179,552.64 : x
  2. Step 2: Convert to fraction form
    330,455.64/456,029.97 = 179,552.64/x
  3. Step 3: Cross multiply
    330,455.64x = 456,029.97 × 179,552.64
  4. Step 4: Simplify right side
    330,455.64x = 81,881,385,032.62
  5. Step 5: Solve for x
    x = 81,881,385,032.62/330,455.64
  6. Step 6: Final answer
    x = 247,783.29

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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.