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Finding the Fourth Proportional to 324,528.78, 447,558.72 and 270,260.64

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Solution

The fourth proportional to 324,528.78, 447,558.72 and 270,260.64 is: 372,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,528.78 : 447,558.72 = 270,260.64 : x
  2. Step 2: Convert to fraction form
    324,528.78/447,558.72 = 270,260.64/x
  3. Step 3: Cross multiply
    324,528.78x = 447,558.72 × 270,260.64
  4. Step 4: Simplify right side
    324,528.78x = 120,957,506,104.78
  5. Step 5: Solve for x
    x = 120,957,506,104.78/324,528.78
  6. Step 6: Final answer
    x = 372,717.35

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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.