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Finding the Fourth Proportional to 330,663.52, 456,318.88 and 179,763.76

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Solution

The fourth proportional to 330,663.52, 456,318.88 and 179,763.76 is: 248,075.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,663.52 : 456,318.88 = 179,763.76 : x
  2. Step 2: Convert to fraction form
    330,663.52/456,318.88 = 179,763.76/x
  3. Step 3: Cross multiply
    330,663.52x = 456,318.88 × 179,763.76
  4. Step 4: Simplify right side
    330,663.52x = 82,029,597,627.79
  5. Step 5: Solve for x
    x = 82,029,597,627.79/330,663.52
  6. Step 6: Final answer
    x = 248,075.74

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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.