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Finding the Fourth Proportional to 302,843.70, 454,265.55 and 92,454.30

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Solution

The fourth proportional to 302,843.70, 454,265.55 and 92,454.30 is: 138,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,843.70 : 454,265.55 = 92,454.30 : x
  2. Step 2: Convert to fraction form
    302,843.70/454,265.55 = 92,454.30/x
  3. Step 3: Cross multiply
    302,843.70x = 454,265.55 × 92,454.30
  4. Step 4: Simplify right side
    302,843.70x = 41,998,803,439.37
  5. Step 5: Solve for x
    x = 41,998,803,439.37/302,843.70
  6. Step 6: Final answer
    x = 138,681.45

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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.