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Finding the Fourth Proportional to 608,916.11, 840,305.83 and 337,002.76

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Solution

The fourth proportional to 608,916.11, 840,305.83 and 337,002.76 is: 465,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,916.11 : 840,305.83 = 337,002.76 : x
  2. Step 2: Convert to fraction form
    608,916.11/840,305.83 = 337,002.76/x
  3. Step 3: Cross multiply
    608,916.11x = 840,305.83 × 337,002.76
  4. Step 4: Simplify right side
    608,916.11x = 283,185,378,910.06
  5. Step 5: Solve for x
    x = 283,185,378,910.06/608,916.11
  6. Step 6: Final answer
    x = 465,064.69

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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.