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Finding the Fourth Proportional to 582,984, 874,476 and 162,270.81

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Solution

The fourth proportional to 582,984, 874,476 and 162,270.81 is: 243,406.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,984 : 874,476 = 162,270.81 : x
  2. Step 2: Convert to fraction form
    582,984/874,476 = 162,270.81/x
  3. Step 3: Cross multiply
    582,984x = 874,476 × 162,270.81
  4. Step 4: Simplify right side
    582,984x = 141,901,928,845.56
  5. Step 5: Solve for x
    x = 141,901,928,845.56/582,984
  6. Step 6: Final answer
    x = 243,406.22

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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.