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Finding the Fourth Proportional to 965,324.88, 1,332,342 and 557,493.12

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Solution

The fourth proportional to 965,324.88, 1,332,342 and 557,493.12 is: 769,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,324.88 : 1,332,342 = 557,493.12 : x
  2. Step 2: Convert to fraction form
    965,324.88/1,332,342 = 557,493.12/x
  3. Step 3: Cross multiply
    965,324.88x = 1,332,342 × 557,493.12
  4. Step 4: Simplify right side
    965,324.88x = 742,771,498,487.04
  5. Step 5: Solve for x
    x = 742,771,498,487.04/965,324.88
  6. Step 6: Final answer
    x = 769,452.35

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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.