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Finding the Fourth Proportional to 366,931.44, 506,420.72 and 223,774.48

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Solution

The fourth proportional to 366,931.44, 506,420.72 and 223,774.48 is: 308,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,931.44 : 506,420.72 = 223,774.48 : x
  2. Step 2: Convert to fraction form
    366,931.44/506,420.72 = 223,774.48/x
  3. Step 3: Cross multiply
    366,931.44x = 506,420.72 × 223,774.48
  4. Step 4: Simplify right side
    366,931.44x = 113,324,033,279.23
  5. Step 5: Solve for x
    x = 113,324,033,279.23/366,931.44
  6. Step 6: Final answer
    x = 308,842.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.