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Finding the Fourth Proportional to 235,984.52, 355,755.71 and 220,763.00

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Solution

The fourth proportional to 235,984.52, 355,755.71 and 220,763.00 is: 332,808.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,984.52 : 355,755.71 = 220,763.00 : x
  2. Step 2: Convert to fraction form
    235,984.52/355,755.71 = 220,763.00/x
  3. Step 3: Cross multiply
    235,984.52x = 355,755.71 × 220,763.00
  4. Step 4: Simplify right side
    235,984.52x = 78,537,699,248.03
  5. Step 5: Solve for x
    x = 78,537,699,248.03/235,984.52
  6. Step 6: Final answer
    x = 332,808.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.