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Finding the Fourth Proportional to 369,169.52, 509,453.92 and 199,403.64

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Solution

The fourth proportional to 369,169.52, 509,453.92 and 199,403.64 is: 275,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,169.52 : 509,453.92 = 199,403.64 : x
  2. Step 2: Convert to fraction form
    369,169.52/509,453.92 = 199,403.64/x
  3. Step 3: Cross multiply
    369,169.52x = 509,453.92 × 199,403.64
  4. Step 4: Simplify right side
    369,169.52x = 101,586,966,060.27
  5. Step 5: Solve for x
    x = 101,586,966,060.27/369,169.52
  6. Step 6: Final answer
    x = 275,177.01

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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.