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Finding the Fourth Proportional to 582,415.60, 873,652.20 and 302,479.60

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Solution

The fourth proportional to 582,415.60, 873,652.20 and 302,479.60 is: 453,734.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,415.60 : 873,652.20 = 302,479.60 : x
  2. Step 2: Convert to fraction form
    582,415.60/873,652.20 = 302,479.60/x
  3. Step 3: Cross multiply
    582,415.60x = 873,652.20 × 302,479.60
  4. Step 4: Simplify right side
    582,415.60x = 264,261,967,995.12
  5. Step 5: Solve for x
    x = 264,261,967,995.12/582,415.60
  6. Step 6: Final answer
    x = 453,734.36

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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.