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Finding the Fourth Proportional to 535,580.28, 803,337.42 and 220,029

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Solution

The fourth proportional to 535,580.28, 803,337.42 and 220,029 is: 330,029.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,580.28 : 803,337.42 = 220,029 : x
  2. Step 2: Convert to fraction form
    535,580.28/803,337.42 = 220,029/x
  3. Step 3: Cross multiply
    535,580.28x = 803,337.42 × 220,029
  4. Step 4: Simplify right side
    535,580.28x = 176,757,529,185.18
  5. Step 5: Solve for x
    x = 176,757,529,185.18/535,580.28
  6. Step 6: Final answer
    x = 330,029.94

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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.