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Finding the Fourth Proportional to 377,462.75, 520,902.24 and 207,700.52

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Solution

The fourth proportional to 377,462.75, 520,902.24 and 207,700.52 is: 286,628.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,462.75 : 520,902.24 = 207,700.52 : x
  2. Step 2: Convert to fraction form
    377,462.75/520,902.24 = 207,700.52/x
  3. Step 3: Cross multiply
    377,462.75x = 520,902.24 × 207,700.52
  4. Step 4: Simplify right side
    377,462.75x = 108,191,666,117.17
  5. Step 5: Solve for x
    x = 108,191,666,117.17/377,462.75
  6. Step 6: Final answer
    x = 286,628.72

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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.