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Finding the Fourth Proportional to 608,891.40, 840,607.94 and 367,234.92

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Solution

The fourth proportional to 608,891.40, 840,607.94 and 367,234.92 is: 506,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,891.40 : 840,607.94 = 367,234.92 : x
  2. Step 2: Convert to fraction form
    608,891.40/840,607.94 = 367,234.92/x
  3. Step 3: Cross multiply
    608,891.40x = 840,607.94 × 367,234.92
  4. Step 4: Simplify right side
    608,891.40x = 308,700,589,597.27
  5. Step 5: Solve for x
    x = 308,700,589,597.27/608,891.40
  6. Step 6: Final answer
    x = 506,987.93

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Similar ratio
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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.