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Finding the Fourth Proportional to 608,624.57, 839,926.63 and 336,687.77

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Solution

The fourth proportional to 608,624.57, 839,926.63 and 336,687.77 is: 464,642.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,624.57 : 839,926.63 = 336,687.77 : x
  2. Step 2: Convert to fraction form
    608,624.57/839,926.63 = 336,687.77/x
  3. Step 3: Cross multiply
    608,624.57x = 839,926.63 × 336,687.77
  4. Step 4: Simplify right side
    608,624.57x = 282,793,026,538.99
  5. Step 5: Solve for x
    x = 282,793,026,538.99/608,624.57
  6. Step 6: Final answer
    x = 464,642.81

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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.