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Finding the Fourth Proportional to 608,323.91, 839,492.43 and 336,410.11

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Solution

The fourth proportional to 608,323.91, 839,492.43 and 336,410.11 is: 464,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,323.91 : 839,492.43 = 336,410.11 : x
  2. Step 2: Convert to fraction form
    608,323.91/839,492.43 = 336,410.11/x
  3. Step 3: Cross multiply
    608,323.91x = 839,492.43 × 336,410.11
  4. Step 4: Simplify right side
    608,323.91x = 282,413,736,523.01
  5. Step 5: Solve for x
    x = 282,413,736,523.01/608,323.91
  6. Step 6: Final answer
    x = 464,248.95

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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.