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Finding the Fourth Proportional to 564,517.58, 778,679.88 and 334,912.31

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Solution

The fourth proportional to 564,517.58, 778,679.88 and 334,912.31 is: 461,968.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,517.58 : 778,679.88 = 334,912.31 : x
  2. Step 2: Convert to fraction form
    564,517.58/778,679.88 = 334,912.31/x
  3. Step 3: Cross multiply
    564,517.58x = 778,679.88 × 334,912.31
  4. Step 4: Simplify right side
    564,517.58x = 260,789,473,467.92
  5. Step 5: Solve for x
    x = 260,789,473,467.92/564,517.58
  6. Step 6: Final answer
    x = 461,968.74

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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.