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Finding the Fourth Proportional to 599,455.17, 899,537.40 and 220,641.93

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Solution

The fourth proportional to 599,455.17, 899,537.40 and 220,641.93 is: 331,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,455.17 : 899,537.40 = 220,641.93 : x
  2. Step 2: Convert to fraction form
    599,455.17/899,537.40 = 220,641.93/x
  3. Step 3: Cross multiply
    599,455.17x = 899,537.40 × 220,641.93
  4. Step 4: Simplify right side
    599,455.17x = 198,475,668,043.18
  5. Step 5: Solve for x
    x = 198,475,668,043.18/599,455.17
  6. Step 6: Final answer
    x = 331,093.43

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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.