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Finding the Fourth Proportional to 961,365.84, 1,442,133 and 251,391.12

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Solution

The fourth proportional to 961,365.84, 1,442,133 and 251,391.12 is: 377,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,365.84 : 1,442,133 = 251,391.12 : x
  2. Step 2: Convert to fraction form
    961,365.84/1,442,133 = 251,391.12/x
  3. Step 3: Cross multiply
    961,365.84x = 1,442,133 × 251,391.12
  4. Step 4: Simplify right side
    961,365.84x = 362,539,430,058.96
  5. Step 5: Solve for x
    x = 362,539,430,058.96/961,365.84
  6. Step 6: Final answer
    x = 377,108.71

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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.