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Finding the Fourth Proportional to 375,793.60, 562,378.20 and 262,944.40

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Solution

The fourth proportional to 375,793.60, 562,378.20 and 262,944.40 is: 393,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,793.60 : 562,378.20 = 262,944.40 : x
  2. Step 2: Convert to fraction form
    375,793.60/562,378.20 = 262,944.40/x
  3. Step 3: Cross multiply
    375,793.60x = 562,378.20 × 262,944.40
  4. Step 4: Simplify right side
    375,793.60x = 147,874,198,372.08
  5. Step 5: Solve for x
    x = 147,874,198,372.08/375,793.60
  6. Step 6: Final answer
    x = 393,498.45

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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.