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Finding the Fourth Proportional to 295,702.40, 443,553.60 and 215,998.40

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Solution

The fourth proportional to 295,702.40, 443,553.60 and 215,998.40 is: 323,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,702.40 : 443,553.60 = 215,998.40 : x
  2. Step 2: Convert to fraction form
    295,702.40/443,553.60 = 215,998.40/x
  3. Step 3: Cross multiply
    295,702.40x = 443,553.60 × 215,998.40
  4. Step 4: Simplify right side
    295,702.40x = 95,806,867,914.24
  5. Step 5: Solve for x
    x = 95,806,867,914.24/295,702.40
  6. Step 6: Final answer
    x = 323,997.60

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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.