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Finding the Fourth Proportional to 582,692.68, 874,856.78 and 298,587.38

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Solution

The fourth proportional to 582,692.68, 874,856.78 and 298,587.38 is: 448,300.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,692.68 : 874,856.78 = 298,587.38 : x
  2. Step 2: Convert to fraction form
    582,692.68/874,856.78 = 298,587.38/x
  3. Step 3: Cross multiply
    582,692.68x = 874,856.78 × 298,587.38
  4. Step 4: Simplify right side
    582,692.68x = 261,221,190,187.62
  5. Step 5: Solve for x
    x = 261,221,190,187.62/582,692.68
  6. Step 6: Final answer
    x = 448,300.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.