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Finding the Fourth Proportional to 322,952.80, 484,432.08 and 112,590.40

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Solution

The fourth proportional to 322,952.80, 484,432.08 and 112,590.40 is: 168,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,952.80 : 484,432.08 = 112,590.40 : x
  2. Step 2: Convert to fraction form
    322,952.80/484,432.08 = 112,590.40/x
  3. Step 3: Cross multiply
    322,952.80x = 484,432.08 × 112,590.40
  4. Step 4: Simplify right side
    322,952.80x = 54,542,401,660.03
  5. Step 5: Solve for x
    x = 54,542,401,660.03/322,952.80
  6. Step 6: Final answer
    x = 168,886.60

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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.