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Finding the Fourth Proportional to 377,519.76, 520,977.35 and 207,753.89

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Solution

The fourth proportional to 377,519.76, 520,977.35 and 207,753.89 is: 286,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,519.76 : 520,977.35 = 207,753.89 : x
  2. Step 2: Convert to fraction form
    377,519.76/520,977.35 = 207,753.89/x
  3. Step 3: Cross multiply
    377,519.76x = 520,977.35 × 207,753.89
  4. Step 4: Simplify right side
    377,519.76x = 108,235,067,420.74
  5. Step 5: Solve for x
    x = 108,235,067,420.74/377,519.76
  6. Step 6: Final answer
    x = 286,700.40

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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.