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Finding the Fourth Proportional to 205,363.40, 308,045.10 and 202,598.60

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Solution

The fourth proportional to 205,363.40, 308,045.10 and 202,598.60 is: 303,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,363.40 : 308,045.10 = 202,598.60 : x
  2. Step 2: Convert to fraction form
    205,363.40/308,045.10 = 202,598.60/x
  3. Step 3: Cross multiply
    205,363.40x = 308,045.10 × 202,598.60
  4. Step 4: Simplify right side
    205,363.40x = 62,409,505,996.86
  5. Step 5: Solve for x
    x = 62,409,505,996.86/205,363.40
  6. Step 6: Final answer
    x = 303,897.90

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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.