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Finding the Fourth Proportional to 330,458.63, 456,034.14 and 179,555.63

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Solution

The fourth proportional to 330,458.63, 456,034.14 and 179,555.63 is: 247,787.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,458.63 : 456,034.14 = 179,555.63 : x
  2. Step 2: Convert to fraction form
    330,458.63/456,034.14 = 179,555.63/x
  3. Step 3: Cross multiply
    330,458.63x = 456,034.14 × 179,555.63
  4. Step 4: Simplify right side
    330,458.63x = 81,883,495,029.04
  5. Step 5: Solve for x
    x = 81,883,495,029.04/330,458.63
  6. Step 6: Final answer
    x = 247,787.43

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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.