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Finding the Fourth Proportional to 377,140.95, 565,337.74 and 177,103.26

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Solution

The fourth proportional to 377,140.95, 565,337.74 and 177,103.26 is: 265,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,140.95 : 565,337.74 = 177,103.26 : x
  2. Step 2: Convert to fraction form
    377,140.95/565,337.74 = 177,103.26/x
  3. Step 3: Cross multiply
    377,140.95x = 565,337.74 × 177,103.26
  4. Step 4: Simplify right side
    377,140.95x = 100,123,156,755.03
  5. Step 5: Solve for x
    x = 100,123,156,755.03/377,140.95
  6. Step 6: Final answer
    x = 265,479.41

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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.