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Finding the Fourth Proportional to 242,683.70, 364,025.55 and 191,945.30

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Solution

The fourth proportional to 242,683.70, 364,025.55 and 191,945.30 is: 287,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,683.70 : 364,025.55 = 191,945.30 : x
  2. Step 2: Convert to fraction form
    242,683.70/364,025.55 = 191,945.30/x
  3. Step 3: Cross multiply
    242,683.70x = 364,025.55 × 191,945.30
  4. Step 4: Simplify right side
    242,683.70x = 69,872,993,402.42
  5. Step 5: Solve for x
    x = 69,872,993,402.42/242,683.70
  6. Step 6: Final answer
    x = 287,917.95

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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.