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Finding the Fourth Proportional to 175,304.40, 262,891.80 and 56,979.60

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Solution

The fourth proportional to 175,304.40, 262,891.80 and 56,979.60 is: 85,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,304.40 : 262,891.80 = 56,979.60 : x
  2. Step 2: Convert to fraction form
    175,304.40/262,891.80 = 56,979.60/x
  3. Step 3: Cross multiply
    175,304.40x = 262,891.80 × 56,979.60
  4. Step 4: Simplify right side
    175,304.40x = 14,979,469,607.28
  5. Step 5: Solve for x
    x = 14,979,469,607.28/175,304.40
  6. Step 6: Final answer
    x = 85,448.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.