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Finding the Fourth Proportional to 207,032.20, 310,548.30 and 193,910.20

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Solution

The fourth proportional to 207,032.20, 310,548.30 and 193,910.20 is: 290,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,032.20 : 310,548.30 = 193,910.20 : x
  2. Step 2: Convert to fraction form
    207,032.20/310,548.30 = 193,910.20/x
  3. Step 3: Cross multiply
    207,032.20x = 310,548.30 × 193,910.20
  4. Step 4: Simplify right side
    207,032.20x = 60,218,482,962.66
  5. Step 5: Solve for x
    x = 60,218,482,962.66/207,032.20
  6. Step 6: Final answer
    x = 290,865.30

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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.