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Finding the Fourth Proportional to 563,498.70, 844,980.46 and 326,913.90

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Solution

The fourth proportional to 563,498.70, 844,980.46 and 326,913.90 is: 490,215.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,498.70 : 844,980.46 = 326,913.90 : x
  2. Step 2: Convert to fraction form
    563,498.70/844,980.46 = 326,913.90/x
  3. Step 3: Cross multiply
    563,498.70x = 844,980.46 × 326,913.90
  4. Step 4: Simplify right side
    563,498.70x = 276,235,857,602.39
  5. Step 5: Solve for x
    x = 276,235,857,602.39/563,498.70
  6. Step 6: Final answer
    x = 490,215.61

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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.