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Finding the Fourth Proportional to 297,545.55, 446,318.81 and 72,906.63

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Solution

The fourth proportional to 297,545.55, 446,318.81 and 72,906.63 is: 109,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,545.55 : 446,318.81 = 72,906.63 : x
  2. Step 2: Convert to fraction form
    297,545.55/446,318.81 = 72,906.63/x
  3. Step 3: Cross multiply
    297,545.55x = 446,318.81 × 72,906.63
  4. Step 4: Simplify right side
    297,545.55x = 32,539,601,088.42
  5. Step 5: Solve for x
    x = 32,539,601,088.42/297,545.55
  6. Step 6: Final answer
    x = 109,360.07

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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.