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Finding the Fourth Proportional to 377,043.74, 520,330.43 and 204,973.23

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Solution

The fourth proportional to 377,043.74, 520,330.43 and 204,973.23 is: 282,868.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,043.74 : 520,330.43 = 204,973.23 : x
  2. Step 2: Convert to fraction form
    377,043.74/520,330.43 = 204,973.23/x
  3. Step 3: Cross multiply
    377,043.74x = 520,330.43 × 204,973.23
  4. Step 4: Simplify right side
    377,043.74x = 106,653,811,368.06
  5. Step 5: Solve for x
    x = 106,653,811,368.06/377,043.74
  6. Step 6: Final answer
    x = 282,868.54

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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.