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Finding the Fourth Proportional to 199,241.60, 299,025.60 and 197,686.40

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Solution

The fourth proportional to 199,241.60, 299,025.60 and 197,686.40 is: 296,691.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,241.60 : 299,025.60 = 197,686.40 : x
  2. Step 2: Convert to fraction form
    199,241.60/299,025.60 = 197,686.40/x
  3. Step 3: Cross multiply
    199,241.60x = 299,025.60 × 197,686.40
  4. Step 4: Simplify right side
    199,241.60x = 59,113,294,371.84
  5. Step 5: Solve for x
    x = 59,113,294,371.84/199,241.60
  6. Step 6: Final answer
    x = 296,691.53

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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.