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Finding the Fourth Proportional to 198,003.40, 277,904.60 and 198,003.40

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Solution

The fourth proportional to 198,003.40, 277,904.60 and 198,003.40 is: 277,904.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,003.40 : 277,904.60 = 198,003.40 : x
  2. Step 2: Convert to fraction form
    198,003.40/277,904.60 = 198,003.40/x
  3. Step 3: Cross multiply
    198,003.40x = 277,904.60 × 198,003.40
  4. Step 4: Simplify right side
    198,003.40x = 55,026,055,675.64
  5. Step 5: Solve for x
    x = 55,026,055,675.64/198,003.40
  6. Step 6: Final answer
    x = 277,904.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.