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Finding the Fourth Proportional to 535,600.56, 803,399.96 and 219,835.02

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Solution

The fourth proportional to 535,600.56, 803,399.96 and 219,835.02 is: 329,752.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,600.56 : 803,399.96 = 219,835.02 : x
  2. Step 2: Convert to fraction form
    535,600.56/803,399.96 = 219,835.02/x
  3. Step 3: Cross multiply
    535,600.56x = 803,399.96 × 219,835.02
  4. Step 4: Simplify right side
    535,600.56x = 176,615,446,274.60
  5. Step 5: Solve for x
    x = 176,615,446,274.60/535,600.56
  6. Step 6: Final answer
    x = 329,752.17

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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.