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Finding the Fourth Proportional to 330,800.45, 456,504.60 and 179,897.45

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Solution

The fourth proportional to 330,800.45, 456,504.60 and 179,897.45 is: 248,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,800.45 : 456,504.60 = 179,897.45 : x
  2. Step 2: Convert to fraction form
    330,800.45/456,504.60 = 179,897.45/x
  3. Step 3: Cross multiply
    330,800.45x = 456,504.60 × 179,897.45
  4. Step 4: Simplify right side
    330,800.45x = 82,124,011,170.75
  5. Step 5: Solve for x
    x = 82,124,011,170.75/330,800.45
  6. Step 6: Final answer
    x = 248,258.47

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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.