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Finding the Fourth Proportional to 362,930.35, 500,871.94 and 217,741.60

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Solution

The fourth proportional to 362,930.35, 500,871.94 and 217,741.60 is: 300,500.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,930.35 : 500,871.94 = 217,741.60 : x
  2. Step 2: Convert to fraction form
    362,930.35/500,871.94 = 217,741.60/x
  3. Step 3: Cross multiply
    362,930.35x = 500,871.94 × 217,741.60
  4. Step 4: Simplify right side
    362,930.35x = 109,060,657,610.70
  5. Step 5: Solve for x
    x = 109,060,657,610.70/362,930.35
  6. Step 6: Final answer
    x = 300,500.24

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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.