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Finding the Fourth Proportional to 608,885.87, 840,264.13 and 336,972.51

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Solution

The fourth proportional to 608,885.87, 840,264.13 and 336,972.51 is: 465,022.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,885.87 : 840,264.13 = 336,972.51 : x
  2. Step 2: Convert to fraction form
    608,885.87/840,264.13 = 336,972.51/x
  3. Step 3: Cross multiply
    608,885.87x = 840,264.13 × 336,972.51
  4. Step 4: Simplify right side
    608,885.87x = 283,145,911,264.20
  5. Step 5: Solve for x
    x = 283,145,911,264.20/608,885.87
  6. Step 6: Final answer
    x = 465,022.97

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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.