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Finding the Fourth Proportional to 582,487.84, 874,071.28 and 245,507.84

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Solution

The fourth proportional to 582,487.84, 874,071.28 and 245,507.84 is: 368,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,487.84 : 874,071.28 = 245,507.84 : x
  2. Step 2: Convert to fraction form
    582,487.84/874,071.28 = 245,507.84/x
  3. Step 3: Cross multiply
    582,487.84x = 874,071.28 × 245,507.84
  4. Step 4: Simplify right side
    582,487.84x = 214,591,351,958.84
  5. Step 5: Solve for x
    x = 214,591,351,958.84/582,487.84
  6. Step 6: Final answer
    x = 368,404.86

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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.