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Finding the Fourth Proportional to 297,303.48, 445,937.94 and 217,422.36

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Solution

The fourth proportional to 297,303.48, 445,937.94 and 217,422.36 is: 326,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,303.48 : 445,937.94 = 217,422.36 : x
  2. Step 2: Convert to fraction form
    297,303.48/445,937.94 = 217,422.36/x
  3. Step 3: Cross multiply
    297,303.48x = 445,937.94 × 217,422.36
  4. Step 4: Simplify right side
    297,303.48x = 96,956,879,328.34
  5. Step 5: Solve for x
    x = 96,956,879,328.34/297,303.48
  6. Step 6: Final answer
    x = 326,120.90

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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.