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Finding the Fourth Proportional to 501,530.84, 752,121.30 and 220,895.00

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Solution

The fourth proportional to 501,530.84, 752,121.30 and 220,895.00 is: 331,265.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,530.84 : 752,121.30 = 220,895.00 : x
  2. Step 2: Convert to fraction form
    501,530.84/752,121.30 = 220,895.00/x
  3. Step 3: Cross multiply
    501,530.84x = 752,121.30 × 220,895.00
  4. Step 4: Simplify right side
    501,530.84x = 166,139,833,209.17
  5. Step 5: Solve for x
    x = 166,139,833,209.17/501,530.84
  6. Step 6: Final answer
    x = 331,265.44

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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.