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Finding the Fourth Proportional to 353,534, 487,877 and 194,558

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Solution

The fourth proportional to 353,534, 487,877 and 194,558 is: 268,490.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,534 : 487,877 = 194,558 : x
  2. Step 2: Convert to fraction form
    353,534/487,877 = 194,558/x
  3. Step 3: Cross multiply
    353,534x = 487,877 × 194,558
  4. Step 4: Simplify right side
    353,534x = 94,920,373,366
  5. Step 5: Solve for x
    x = 94,920,373,366/353,534
  6. Step 6: Final answer
    x = 268,490.08

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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.