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Finding the Fourth Proportional to 228,614.40, 342,338.40 and 181,958.40

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Solution

The fourth proportional to 228,614.40, 342,338.40 and 181,958.40 is: 272,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,614.40 : 342,338.40 = 181,958.40 : x
  2. Step 2: Convert to fraction form
    228,614.40/342,338.40 = 181,958.40/x
  3. Step 3: Cross multiply
    228,614.40x = 342,338.40 × 181,958.40
  4. Step 4: Simplify right side
    228,614.40x = 62,291,347,522.56
  5. Step 5: Solve for x
    x = 62,291,347,522.56/228,614.40
  6. Step 6: Final answer
    x = 272,473.42

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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.