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Finding the Fourth Proportional to 501,692.52, 752,653.68 and 217,430.76

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Solution

The fourth proportional to 501,692.52, 752,653.68 and 217,430.76 is: 326,195.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,692.52 : 752,653.68 = 217,430.76 : x
  2. Step 2: Convert to fraction form
    501,692.52/752,653.68 = 217,430.76/x
  3. Step 3: Cross multiply
    501,692.52x = 752,653.68 × 217,430.76
  4. Step 4: Simplify right side
    501,692.52x = 163,650,061,659.20
  5. Step 5: Solve for x
    x = 163,650,061,659.20/501,692.52
  6. Step 6: Final answer
    x = 326,195.94

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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.