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Finding the Fourth Proportional to 376,946.55, 565,489.89 and 124,244.78

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Solution

The fourth proportional to 376,946.55, 565,489.89 and 124,244.78 is: 186,390.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,946.55 : 565,489.89 = 124,244.78 : x
  2. Step 2: Convert to fraction form
    376,946.55/565,489.89 = 124,244.78/x
  3. Step 3: Cross multiply
    376,946.55x = 565,489.89 × 124,244.78
  4. Step 4: Simplify right side
    376,946.55x = 70,259,164,147.82
  5. Step 5: Solve for x
    x = 70,259,164,147.82/376,946.55
  6. Step 6: Final answer
    x = 186,390.26

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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.