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Finding the Fourth Proportional to 582,530.48, 874,005.31 and 203,506.98

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Solution

The fourth proportional to 582,530.48, 874,005.31 and 203,506.98 is: 305,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,530.48 : 874,005.31 = 203,506.98 : x
  2. Step 2: Convert to fraction form
    582,530.48/874,005.31 = 203,506.98/x
  3. Step 3: Cross multiply
    582,530.48x = 874,005.31 × 203,506.98
  4. Step 4: Simplify right side
    582,530.48x = 177,866,181,142.06
  5. Step 5: Solve for x
    x = 177,866,181,142.06/582,530.48
  6. Step 6: Final answer
    x = 305,333.69

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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.