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Finding the Fourth Proportional to 504,310.80, 756,466.20 and 188,726.70

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Solution

The fourth proportional to 504,310.80, 756,466.20 and 188,726.70 is: 283,090.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,310.80 : 756,466.20 = 188,726.70 : x
  2. Step 2: Convert to fraction form
    504,310.80/756,466.20 = 188,726.70/x
  3. Step 3: Cross multiply
    504,310.80x = 756,466.20 × 188,726.70
  4. Step 4: Simplify right side
    504,310.80x = 142,765,369,587.54
  5. Step 5: Solve for x
    x = 142,765,369,587.54/504,310.80
  6. Step 6: Final answer
    x = 283,090.05

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Similar ratio
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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.