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Finding the Fourth Proportional to 403,249.50, 604,874.25 and 140,593.50

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Solution

The fourth proportional to 403,249.50, 604,874.25 and 140,593.50 is: 210,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,249.50 : 604,874.25 = 140,593.50 : x
  2. Step 2: Convert to fraction form
    403,249.50/604,874.25 = 140,593.50/x
  3. Step 3: Cross multiply
    403,249.50x = 604,874.25 × 140,593.50
  4. Step 4: Simplify right side
    403,249.50x = 85,041,387,867.38
  5. Step 5: Solve for x
    x = 85,041,387,867.38/403,249.50
  6. Step 6: Final answer
    x = 210,890.25

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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.