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Finding the Fourth Proportional to 332,330.63, 498,658.61 and 205,937.07

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Solution

The fourth proportional to 332,330.63, 498,658.61 and 205,937.07 is: 309,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,330.63 : 498,658.61 = 205,937.07 : x
  2. Step 2: Convert to fraction form
    332,330.63/498,658.61 = 205,937.07/x
  3. Step 3: Cross multiply
    332,330.63x = 498,658.61 × 205,937.07
  4. Step 4: Simplify right side
    332,330.63x = 102,692,292,043.99
  5. Step 5: Solve for x
    x = 102,692,292,043.99/332,330.63
  6. Step 6: Final answer
    x = 309,006.40

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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.