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Finding the Fourth Proportional to 270,186.40, 404,696.40 and 223,530.40

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Solution

The fourth proportional to 270,186.40, 404,696.40 and 223,530.40 is: 334,813.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,186.40 : 404,696.40 = 223,530.40 : x
  2. Step 2: Convert to fraction form
    270,186.40/404,696.40 = 223,530.40/x
  3. Step 3: Cross multiply
    270,186.40x = 404,696.40 × 223,530.40
  4. Step 4: Simplify right side
    270,186.40x = 90,461,948,170.56
  5. Step 5: Solve for x
    x = 90,461,948,170.56/270,186.40
  6. Step 6: Final answer
    x = 334,813.11

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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.