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Finding the Fourth Proportional to 483,697.92, 725,792.64 and 217,404.80

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Solution

The fourth proportional to 483,697.92, 725,792.64 and 217,404.80 is: 326,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,697.92 : 725,792.64 = 217,404.80 : x
  2. Step 2: Convert to fraction form
    483,697.92/725,792.64 = 217,404.80/x
  3. Step 3: Cross multiply
    483,697.92x = 725,792.64 × 217,404.80
  4. Step 4: Simplify right side
    483,697.92x = 157,790,803,740.67
  5. Step 5: Solve for x
    x = 157,790,803,740.67/483,697.92
  6. Step 6: Final answer
    x = 326,217.66

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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.