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Finding the Fourth Proportional to 369,502.14, 509,913.15 and 199,736.25

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Solution

The fourth proportional to 369,502.14, 509,913.15 and 199,736.25 is: 275,636.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,502.14 : 509,913.15 = 199,736.25 : x
  2. Step 2: Convert to fraction form
    369,502.14/509,913.15 = 199,736.25/x
  3. Step 3: Cross multiply
    369,502.14x = 509,913.15 × 199,736.25
  4. Step 4: Simplify right side
    369,502.14x = 101,848,140,406.69
  5. Step 5: Solve for x
    x = 101,848,140,406.69/369,502.14
  6. Step 6: Final answer
    x = 275,636.13

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Similar ratio
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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.