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Finding the Fourth Proportional to 377,318.64, 565,857.54 and 124,552.20

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Solution

The fourth proportional to 377,318.64, 565,857.54 and 124,552.20 is: 186,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,318.64 : 565,857.54 = 124,552.20 : x
  2. Step 2: Convert to fraction form
    377,318.64/565,857.54 = 124,552.20/x
  3. Step 3: Cross multiply
    377,318.64x = 565,857.54 × 124,552.20
  4. Step 4: Simplify right side
    377,318.64x = 70,478,801,493.59
  5. Step 5: Solve for x
    x = 70,478,801,493.59/377,318.64
  6. Step 6: Final answer
    x = 186,788.55

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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.