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Finding the Fourth Proportional to 582,406.10, 803,753.50 and 349,904.15

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Solution

The fourth proportional to 582,406.10, 803,753.50 and 349,904.15 is: 482,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,406.10 : 803,753.50 = 349,904.15 : x
  2. Step 2: Convert to fraction form
    582,406.10/803,753.50 = 349,904.15/x
  3. Step 3: Cross multiply
    582,406.10x = 803,753.50 × 349,904.15
  4. Step 4: Simplify right side
    582,406.10x = 281,236,685,227.03
  5. Step 5: Solve for x
    x = 281,236,685,227.03/582,406.10
  6. Step 6: Final answer
    x = 482,887.60

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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.