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Finding the Fourth Proportional to 308,347.14, 425,590.16 and 200,729.73

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Solution

The fourth proportional to 308,347.14, 425,590.16 and 200,729.73 is: 277,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,347.14 : 425,590.16 = 200,729.73 : x
  2. Step 2: Convert to fraction form
    308,347.14/425,590.16 = 200,729.73/x
  3. Step 3: Cross multiply
    308,347.14x = 425,590.16 × 200,729.73
  4. Step 4: Simplify right side
    308,347.14x = 85,428,596,903.81
  5. Step 5: Solve for x
    x = 85,428,596,903.81/308,347.14
  6. Step 6: Final answer
    x = 277,053.31

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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.