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Finding the Fourth Proportional to 543,322.18, 814,983.27 and 188,336.24

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Solution

The fourth proportional to 543,322.18, 814,983.27 and 188,336.24 is: 282,504.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,322.18 : 814,983.27 = 188,336.24 : x
  2. Step 2: Convert to fraction form
    543,322.18/814,983.27 = 188,336.24/x
  3. Step 3: Cross multiply
    543,322.18x = 814,983.27 × 188,336.24
  4. Step 4: Simplify right side
    543,322.18x = 153,490,884,069.11
  5. Step 5: Solve for x
    x = 153,490,884,069.11/543,322.18
  6. Step 6: Final answer
    x = 282,504.36

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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.