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Finding the Fourth Proportional to 585,787.58, 878,365.41 and 265,764.82

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Solution

The fourth proportional to 585,787.58, 878,365.41 and 265,764.82 is: 398,503.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,787.58 : 878,365.41 = 265,764.82 : x
  2. Step 2: Convert to fraction form
    585,787.58/878,365.41 = 265,764.82/x
  3. Step 3: Cross multiply
    585,787.58x = 878,365.41 × 265,764.82
  4. Step 4: Simplify right side
    585,787.58x = 233,438,623,537.28
  5. Step 5: Solve for x
    x = 233,438,623,537.28/585,787.58
  6. Step 6: Final answer
    x = 398,503.88

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1.5x scale

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.