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Finding the Fourth Proportional to 965,603.52, 1,332,224.52 and 557,651.52

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Solution

The fourth proportional to 965,603.52, 1,332,224.52 and 557,651.52 is: 769,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,603.52 : 1,332,224.52 = 557,651.52 : x
  2. Step 2: Convert to fraction form
    965,603.52/1,332,224.52 = 557,651.52/x
  3. Step 3: Cross multiply
    965,603.52x = 1,332,224.52 × 557,651.52
  4. Step 4: Simplify right side
    965,603.52x = 742,917,028,559.27
  5. Step 5: Solve for x
    x = 742,917,028,559.27/965,603.52
  6. Step 6: Final answer
    x = 769,381.03

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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.