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Finding the Fourth Proportional to 369,521.82, 509,939.91 and 199,756.26

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Solution

The fourth proportional to 369,521.82, 509,939.91 and 199,756.26 is: 275,663.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,521.82 : 509,939.91 = 199,756.26 : x
  2. Step 2: Convert to fraction form
    369,521.82/509,939.91 = 199,756.26/x
  3. Step 3: Cross multiply
    369,521.82x = 509,939.91 × 199,756.26
  4. Step 4: Simplify right side
    369,521.82x = 101,863,689,246.34
  5. Step 5: Solve for x
    x = 101,863,689,246.34/369,521.82
  6. Step 6: Final answer
    x = 275,663.53

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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.