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Finding the Fourth Proportional to 583,601.50, 805,431.99 and 342,087

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Solution

The fourth proportional to 583,601.50, 805,431.99 and 342,087 is: 472,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,601.50 : 805,431.99 = 342,087 : x
  2. Step 2: Convert to fraction form
    583,601.50/805,431.99 = 342,087/x
  3. Step 3: Cross multiply
    583,601.50x = 805,431.99 × 342,087
  4. Step 4: Simplify right side
    583,601.50x = 275,527,813,163.13
  5. Step 5: Solve for x
    x = 275,527,813,163.13/583,601.50
  6. Step 6: Final answer
    x = 472,116.36

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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.