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Finding the Fourth Proportional to 310,179.38, 465,269.27 and 99,817.26

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Solution

The fourth proportional to 310,179.38, 465,269.27 and 99,817.26 is: 149,725.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,179.38 : 465,269.27 = 99,817.26 : x
  2. Step 2: Convert to fraction form
    310,179.38/465,269.27 = 99,817.26/x
  3. Step 3: Cross multiply
    310,179.38x = 465,269.27 × 99,817.26
  4. Step 4: Simplify right side
    310,179.38x = 46,441,903,693.60
  5. Step 5: Solve for x
    x = 46,441,903,693.60/310,179.38
  6. Step 6: Final answer
    x = 149,725.95

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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.