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Finding the Fourth Proportional to 649,994.89, 975,332.34 and 266,028.76

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Solution

The fourth proportional to 649,994.89, 975,332.34 and 266,028.76 is: 399,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,994.89 : 975,332.34 = 266,028.76 : x
  2. Step 2: Convert to fraction form
    649,994.89/975,332.34 = 266,028.76/x
  3. Step 3: Cross multiply
    649,994.89x = 975,332.34 × 266,028.76
  4. Step 4: Simplify right side
    649,994.89x = 259,466,452,998.10
  5. Step 5: Solve for x
    x = 259,466,452,998.10/649,994.89
  6. Step 6: Final answer
    x = 399,182.30

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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.