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Finding the Fourth Proportional to 369,076.84, 509,326.04 and 199,310.96

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Solution

The fourth proportional to 369,076.84, 509,326.04 and 199,310.96 is: 275,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,076.84 : 509,326.04 = 199,310.96 : x
  2. Step 2: Convert to fraction form
    369,076.84/509,326.04 = 199,310.96/x
  3. Step 3: Cross multiply
    369,076.84x = 509,326.04 × 199,310.96
  4. Step 4: Simplify right side
    369,076.84x = 101,514,260,988.84
  5. Step 5: Solve for x
    x = 101,514,260,988.84/369,076.84
  6. Step 6: Final answer
    x = 275,049.13

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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.