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Finding the Fourth Proportional to 572,073.97, 789,409.89 and 339,460.82

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Solution

The fourth proportional to 572,073.97, 789,409.89 and 339,460.82 is: 468,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,073.97 : 789,409.89 = 339,460.82 : x
  2. Step 2: Convert to fraction form
    572,073.97/789,409.89 = 339,460.82/x
  3. Step 3: Cross multiply
    572,073.97x = 789,409.89 × 339,460.82
  4. Step 4: Simplify right side
    572,073.97x = 267,973,728,851.73
  5. Step 5: Solve for x
    x = 267,973,728,851.73/572,073.97
  6. Step 6: Final answer
    x = 468,424.97

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1.5x scale

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.