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Finding the Fourth Proportional to 589,701.15, 813,591.83 and 480,617.92

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Solution

The fourth proportional to 589,701.15, 813,591.83 and 480,617.92 is: 663,093.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,701.15 : 813,591.83 = 480,617.92 : x
  2. Step 2: Convert to fraction form
    589,701.15/813,591.83 = 480,617.92/x
  3. Step 3: Cross multiply
    589,701.15x = 813,591.83 × 480,617.92
  4. Step 4: Simplify right side
    589,701.15x = 391,026,813,063.59
  5. Step 5: Solve for x
    x = 391,026,813,063.59/589,701.15
  6. Step 6: Final answer
    x = 663,093.18

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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.