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Finding the Fourth Proportional to 461,521.80, 692,331.30 and 191,619.27

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Solution

The fourth proportional to 461,521.80, 692,331.30 and 191,619.27 is: 287,449.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,521.80 : 692,331.30 = 191,619.27 : x
  2. Step 2: Convert to fraction form
    461,521.80/692,331.30 = 191,619.27/x
  3. Step 3: Cross multiply
    461,521.80x = 692,331.30 × 191,619.27
  4. Step 4: Simplify right side
    461,521.80x = 132,664,018,304.15
  5. Step 5: Solve for x
    x = 132,664,018,304.15/461,521.80
  6. Step 6: Final answer
    x = 287,449.08

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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.