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Finding the Fourth Proportional to 202,910.40, 304,365.60 and 197,078.40

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Solution

The fourth proportional to 202,910.40, 304,365.60 and 197,078.40 is: 295,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,910.40 : 304,365.60 = 197,078.40 : x
  2. Step 2: Convert to fraction form
    202,910.40/304,365.60 = 197,078.40/x
  3. Step 3: Cross multiply
    202,910.40x = 304,365.60 × 197,078.40
  4. Step 4: Simplify right side
    202,910.40x = 59,983,885,463.04
  5. Step 5: Solve for x
    x = 59,983,885,463.04/202,910.40
  6. Step 6: Final answer
    x = 295,617.60

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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.