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Finding the Fourth Proportional to 608,197.86, 839,279.18 and 336,249.88

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Solution

The fourth proportional to 608,197.86, 839,279.18 and 336,249.88 is: 464,006.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,197.86 : 839,279.18 = 336,249.88 : x
  2. Step 2: Convert to fraction form
    608,197.86/839,279.18 = 336,249.88/x
  3. Step 3: Cross multiply
    608,197.86x = 839,279.18 × 336,249.88
  4. Step 4: Simplify right side
    608,197.86x = 282,207,523,561.50
  5. Step 5: Solve for x
    x = 282,207,523,561.50/608,197.86
  6. Step 6: Final answer
    x = 464,006.11

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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.