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Finding the Fourth Proportional to 582,803.64, 874,206.42 and 162,079.80

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Solution

The fourth proportional to 582,803.64, 874,206.42 and 162,079.80 is: 243,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,803.64 : 874,206.42 = 162,079.80 : x
  2. Step 2: Convert to fraction form
    582,803.64/874,206.42 = 162,079.80/x
  3. Step 3: Cross multiply
    582,803.64x = 874,206.42 × 162,079.80
  4. Step 4: Simplify right side
    582,803.64x = 141,691,201,712.32
  5. Step 5: Solve for x
    x = 141,691,201,712.32/582,803.64
  6. Step 6: Final answer
    x = 243,119.97

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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.