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Finding the Fourth Proportional to 582,650.70, 803,870.28 and 353,299.98

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Solution

The fourth proportional to 582,650.70, 803,870.28 and 353,299.98 is: 487,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,650.70 : 803,870.28 = 353,299.98 : x
  2. Step 2: Convert to fraction form
    582,650.70/803,870.28 = 353,299.98/x
  3. Step 3: Cross multiply
    582,650.70x = 803,870.28 × 353,299.98
  4. Step 4: Simplify right side
    582,650.70x = 284,007,353,846.59
  5. Step 5: Solve for x
    x = 284,007,353,846.59/582,650.70
  6. Step 6: Final answer
    x = 487,440.17

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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.