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Finding the Fourth Proportional to 377,141.31, 520,473.71 and 233,947.49

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Solution

The fourth proportional to 377,141.31, 520,473.71 and 233,947.49 is: 322,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,141.31 : 520,473.71 = 233,947.49 : x
  2. Step 2: Convert to fraction form
    377,141.31/520,473.71 = 233,947.49/x
  3. Step 3: Cross multiply
    377,141.31x = 520,473.71 × 233,947.49
  4. Step 4: Simplify right side
    377,141.31x = 121,763,514,293.38
  5. Step 5: Solve for x
    x = 121,763,514,293.38/377,141.31
  6. Step 6: Final answer
    x = 322,859.13

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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.