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Finding the Fourth Proportional to 582,281.60, 873,412.64 and 262,255.46

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Solution

The fourth proportional to 582,281.60, 873,412.64 and 262,255.46 is: 393,378.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,281.60 : 873,412.64 = 262,255.46 : x
  2. Step 2: Convert to fraction form
    582,281.60/873,412.64 = 262,255.46/x
  3. Step 3: Cross multiply
    582,281.60x = 873,412.64 × 262,255.46
  4. Step 4: Simplify right side
    582,281.60x = 229,057,229,961.59
  5. Step 5: Solve for x
    x = 229,057,229,961.59/582,281.60
  6. Step 6: Final answer
    x = 393,378.79

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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.