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Finding the Fourth Proportional to 463,249.74, 639,278.55 and 262,045.74

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Solution

The fourth proportional to 463,249.74, 639,278.55 and 262,045.74 is: 361,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,249.74 : 639,278.55 = 262,045.74 : x
  2. Step 2: Convert to fraction form
    463,249.74/639,278.55 = 262,045.74/x
  3. Step 3: Cross multiply
    463,249.74x = 639,278.55 × 262,045.74
  4. Step 4: Simplify right side
    463,249.74x = 167,520,220,700.88
  5. Step 5: Solve for x
    x = 167,520,220,700.88/463,249.74
  6. Step 6: Final answer
    x = 361,619.68

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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.