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Finding the Fourth Proportional to 965,658.60, 1,354,721.40 and 965,658.60

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Solution

The fourth proportional to 965,658.60, 1,354,721.40 and 965,658.60 is: 1,354,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,658.60 : 1,354,721.40 = 965,658.60 : x
  2. Step 2: Convert to fraction form
    965,658.60/1,354,721.40 = 965,658.60/x
  3. Step 3: Cross multiply
    965,658.60x = 1,354,721.40 × 965,658.60
  4. Step 4: Simplify right side
    965,658.60x = 1,308,198,370,514.04
  5. Step 5: Solve for x
    x = 1,308,198,370,514.04/965,658.60
  6. Step 6: Final answer
    x = 1,354,721.40

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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.