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Finding the Fourth Proportional to 383,249.46, 528,900.60 and 213,483.66

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Solution

The fourth proportional to 383,249.46, 528,900.60 and 213,483.66 is: 294,616.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,249.46 : 528,900.60 = 213,483.66 : x
  2. Step 2: Convert to fraction form
    383,249.46/528,900.60 = 213,483.66/x
  3. Step 3: Cross multiply
    383,249.46x = 528,900.60 × 213,483.66
  4. Step 4: Simplify right side
    383,249.46x = 112,911,635,864.20
  5. Step 5: Solve for x
    x = 112,911,635,864.20/383,249.46
  6. Step 6: Final answer
    x = 294,616.56

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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.