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Finding the Fourth Proportional to 582,596.08, 873,003.90 and 392,353

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Solution

The fourth proportional to 582,596.08, 873,003.90 and 392,353 is: 587,929.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,596.08 : 873,003.90 = 392,353 : x
  2. Step 2: Convert to fraction form
    582,596.08/873,003.90 = 392,353/x
  3. Step 3: Cross multiply
    582,596.08x = 873,003.90 × 392,353
  4. Step 4: Simplify right side
    582,596.08x = 342,525,699,176.70
  5. Step 5: Solve for x
    x = 342,525,699,176.70/582,596.08
  6. Step 6: Final answer
    x = 587,929.98

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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.