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Finding the Fourth Proportional to 582,449.34, 804,028.08 and 391,573.44

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Solution

The fourth proportional to 582,449.34, 804,028.08 and 391,573.44 is: 540,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,449.34 : 804,028.08 = 391,573.44 : x
  2. Step 2: Convert to fraction form
    582,449.34/804,028.08 = 391,573.44/x
  3. Step 3: Cross multiply
    582,449.34x = 804,028.08 × 391,573.44
  4. Step 4: Simplify right side
    582,449.34x = 314,836,041,142.20
  5. Step 5: Solve for x
    x = 314,836,041,142.20/582,449.34
  6. Step 6: Final answer
    x = 540,538.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.