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Finding the Fourth Proportional to 377,414.95, 520,836.77 and 205,333.89

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Solution

The fourth proportional to 377,414.95, 520,836.77 and 205,333.89 is: 283,363.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,414.95 : 520,836.77 = 205,333.89 : x
  2. Step 2: Convert to fraction form
    377,414.95/520,836.77 = 205,333.89/x
  3. Step 3: Cross multiply
    377,414.95x = 520,836.77 × 205,333.89
  4. Step 4: Simplify right side
    377,414.95x = 106,945,439,012.47
  5. Step 5: Solve for x
    x = 106,945,439,012.47/377,414.95
  6. Step 6: Final answer
    x = 283,363.02

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1.5x scale

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.