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Finding the Fourth Proportional to 377,462.50, 520,901.90 and 207,700.27

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Solution

The fourth proportional to 377,462.50, 520,901.90 and 207,700.27 is: 286,628.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,462.50 : 520,901.90 = 207,700.27 : x
  2. Step 2: Convert to fraction form
    377,462.50/520,901.90 = 207,700.27/x
  3. Step 3: Cross multiply
    377,462.50x = 520,901.90 × 207,700.27
  4. Step 4: Simplify right side
    377,462.50x = 108,191,465,273.51
  5. Step 5: Solve for x
    x = 108,191,465,273.51/377,462.50
  6. Step 6: Final answer
    x = 286,628.38

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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.