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Finding the Fourth Proportional to 418,847.50, 577,965.81 and 237,501.46

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Solution

The fourth proportional to 418,847.50, 577,965.81 and 237,501.46 is: 327,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,847.50 : 577,965.81 = 237,501.46 : x
  2. Step 2: Convert to fraction form
    418,847.50/577,965.81 = 237,501.46/x
  3. Step 3: Cross multiply
    418,847.50x = 577,965.81 × 237,501.46
  4. Step 4: Simplify right side
    418,847.50x = 137,267,723,705.08
  5. Step 5: Solve for x
    x = 137,267,723,705.08/418,847.50
  6. Step 6: Final answer
    x = 327,727.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.