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Finding the Fourth Proportional to 353,082.08, 487,255.56 and 191,938.52

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Solution

The fourth proportional to 353,082.08, 487,255.56 and 191,938.52 is: 264,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,082.08 : 487,255.56 = 191,938.52 : x
  2. Step 2: Convert to fraction form
    353,082.08/487,255.56 = 191,938.52/x
  3. Step 3: Cross multiply
    353,082.08x = 487,255.56 × 191,938.52
  4. Step 4: Simplify right side
    353,082.08x = 93,523,111,048.17
  5. Step 5: Solve for x
    x = 93,523,111,048.17/353,082.08
  6. Step 6: Final answer
    x = 264,876.40

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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.