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Finding the Fourth Proportional to 535,707.37, 803,535.01 and 198,813.64

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Solution

The fourth proportional to 535,707.37, 803,535.01 and 198,813.64 is: 298,210.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,707.37 : 803,535.01 = 198,813.64 : x
  2. Step 2: Convert to fraction form
    535,707.37/803,535.01 = 198,813.64/x
  3. Step 3: Cross multiply
    535,707.37x = 803,535.01 × 198,813.64
  4. Step 4: Simplify right side
    535,707.37x = 159,753,720,205.54
  5. Step 5: Solve for x
    x = 159,753,720,205.54/535,707.37
  6. Step 6: Final answer
    x = 298,210.79

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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.