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Finding the Fourth Proportional to 418,774.25, 577,863.82 and 246,682.06

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Solution

The fourth proportional to 418,774.25, 577,863.82 and 246,682.06 is: 340,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,774.25 : 577,863.82 = 246,682.06 : x
  2. Step 2: Convert to fraction form
    418,774.25/577,863.82 = 246,682.06/x
  3. Step 3: Cross multiply
    418,774.25x = 577,863.82 × 246,682.06
  4. Step 4: Simplify right side
    418,774.25x = 142,548,636,380.76
  5. Step 5: Solve for x
    x = 142,548,636,380.76/418,774.25
  6. Step 6: Final answer
    x = 340,394.94

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1.5x scale

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.