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Finding the Fourth Proportional to 571,959.29, 789,373.82 and 330,241.46

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Solution

The fourth proportional to 571,959.29, 789,373.82 and 330,241.46 is: 455,773.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,959.29 : 789,373.82 = 330,241.46 : x
  2. Step 2: Convert to fraction form
    571,959.29/789,373.82 = 330,241.46/x
  3. Step 3: Cross multiply
    571,959.29x = 789,373.82 × 330,241.46
  4. Step 4: Simplify right side
    571,959.29x = 260,683,962,802.58
  5. Step 5: Solve for x
    x = 260,683,962,802.58/571,959.29
  6. Step 6: Final answer
    x = 455,773.63

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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.