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Finding the Fourth Proportional to 582,405.52, 873,608.64 and 161,681.44

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Solution

The fourth proportional to 582,405.52, 873,608.64 and 161,681.44 is: 242,522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,405.52 : 873,608.64 = 161,681.44 : x
  2. Step 2: Convert to fraction form
    582,405.52/873,608.64 = 161,681.44/x
  3. Step 3: Cross multiply
    582,405.52x = 873,608.64 × 161,681.44
  4. Step 4: Simplify right side
    582,405.52x = 141,246,302,911.64
  5. Step 5: Solve for x
    x = 141,246,302,911.64/582,405.52
  6. Step 6: Final answer
    x = 242,522.26

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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.