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Finding the Fourth Proportional to 571,959.68, 789,374.34 and 330,241.84

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Solution

The fourth proportional to 571,959.68, 789,374.34 and 330,241.84 is: 455,774.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,959.68 : 789,374.34 = 330,241.84 : x
  2. Step 2: Convert to fraction form
    571,959.68/789,374.34 = 330,241.84/x
  3. Step 3: Cross multiply
    571,959.68x = 789,374.34 × 330,241.84
  4. Step 4: Simplify right side
    571,959.68x = 260,684,434,490.39
  5. Step 5: Solve for x
    x = 260,684,434,490.39/571,959.68
  6. Step 6: Final answer
    x = 455,774.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.