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Finding the Fourth Proportional to 503,583.75, 755,301.05 and 183,660.59

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Solution

The fourth proportional to 503,583.75, 755,301.05 and 183,660.59 is: 275,463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,583.75 : 755,301.05 = 183,660.59 : x
  2. Step 2: Convert to fraction form
    503,583.75/755,301.05 = 183,660.59/x
  3. Step 3: Cross multiply
    503,583.75x = 755,301.05 × 183,660.59
  4. Step 4: Simplify right side
    503,583.75x = 138,719,031,775.81
  5. Step 5: Solve for x
    x = 138,719,031,775.81/503,583.75
  6. Step 6: Final answer
    x = 275,463.68

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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.