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Finding the Fourth Proportional to 201,881.40, 302,822.10 and 197,734.20

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Solution

The fourth proportional to 201,881.40, 302,822.10 and 197,734.20 is: 296,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,881.40 : 302,822.10 = 197,734.20 : x
  2. Step 2: Convert to fraction form
    201,881.40/302,822.10 = 197,734.20/x
  3. Step 3: Cross multiply
    201,881.40x = 302,822.10 × 197,734.20
  4. Step 4: Simplify right side
    201,881.40x = 59,878,285,685.82
  5. Step 5: Solve for x
    x = 59,878,285,685.82/201,881.40
  6. Step 6: Final answer
    x = 296,601.30

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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.