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Finding the Fourth Proportional to 491,532.15, 737,584.80 and 207,205.29

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Solution

The fourth proportional to 491,532.15, 737,584.80 and 207,205.29 is: 310,928.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,532.15 : 737,584.80 = 207,205.29 : x
  2. Step 2: Convert to fraction form
    491,532.15/737,584.80 = 207,205.29/x
  3. Step 3: Cross multiply
    491,532.15x = 737,584.80 × 207,205.29
  4. Step 4: Simplify right side
    491,532.15x = 152,831,472,383.59
  5. Step 5: Solve for x
    x = 152,831,472,383.59/491,532.15
  6. Step 6: Final answer
    x = 310,928.74

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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.