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Finding the Fourth Proportional to 493,750.84, 681,374.70 and 267,396.28

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Solution

The fourth proportional to 493,750.84, 681,374.70 and 267,396.28 is: 369,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,750.84 : 681,374.70 = 267,396.28 : x
  2. Step 2: Convert to fraction form
    493,750.84/681,374.70 = 267,396.28/x
  3. Step 3: Cross multiply
    493,750.84x = 681,374.70 × 267,396.28
  4. Step 4: Simplify right side
    493,750.84x = 182,197,060,066.12
  5. Step 5: Solve for x
    x = 182,197,060,066.12/493,750.84
  6. Step 6: Final answer
    x = 369,006.08

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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.