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Finding the Fourth Proportional to 261,351.40, 365,425.40 and 261,351.40

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Solution

The fourth proportional to 261,351.40, 365,425.40 and 261,351.40 is: 365,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,351.40 : 365,425.40 = 261,351.40 : x
  2. Step 2: Convert to fraction form
    261,351.40/365,425.40 = 261,351.40/x
  3. Step 3: Cross multiply
    261,351.40x = 365,425.40 × 261,351.40
  4. Step 4: Simplify right side
    261,351.40x = 95,504,439,885.56
  5. Step 5: Solve for x
    x = 95,504,439,885.56/261,351.40
  6. Step 6: Final answer
    x = 365,425.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.