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Finding the Fourth Proportional to 598,833.55, 898,530.86 and 261,830.89

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Solution

The fourth proportional to 598,833.55, 898,530.86 and 261,830.89 is: 392,868.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,833.55 : 898,530.86 = 261,830.89 : x
  2. Step 2: Convert to fraction form
    598,833.55/898,530.86 = 261,830.89/x
  3. Step 3: Cross multiply
    598,833.55x = 898,530.86 × 261,830.89
  4. Step 4: Simplify right side
    598,833.55x = 235,263,134,766.27
  5. Step 5: Solve for x
    x = 235,263,134,766.27/598,833.55
  6. Step 6: Final answer
    x = 392,868.99

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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.