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Finding the Fourth Proportional to 270,007.80, 404,817.30 and 151,715.40

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Solution

The fourth proportional to 270,007.80, 404,817.30 and 151,715.40 is: 227,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,007.80 : 404,817.30 = 151,715.40 : x
  2. Step 2: Convert to fraction form
    270,007.80/404,817.30 = 151,715.40/x
  3. Step 3: Cross multiply
    270,007.80x = 404,817.30 × 151,715.40
  4. Step 4: Simplify right side
    270,007.80x = 61,417,018,596.42
  5. Step 5: Solve for x
    x = 61,417,018,596.42/270,007.80
  6. Step 6: Final answer
    x = 227,463.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.