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Finding the Fourth Proportional to 581,691.01, 872,065.84 and 261,608.46

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Solution

The fourth proportional to 581,691.01, 872,065.84 and 261,608.46 is: 392,201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,691.01 : 872,065.84 = 261,608.46 : x
  2. Step 2: Convert to fraction form
    581,691.01/872,065.84 = 261,608.46/x
  3. Step 3: Cross multiply
    581,691.01x = 872,065.84 × 261,608.46
  4. Step 4: Simplify right side
    581,691.01x = 228,139,801,421.01
  5. Step 5: Solve for x
    x = 228,139,801,421.01/581,691.01
  6. Step 6: Final answer
    x = 392,201.01

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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.