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Finding the Fourth Proportional to 969,005.80, 1,358,007.80 and 969,005.80

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Solution

The fourth proportional to 969,005.80, 1,358,007.80 and 969,005.80 is: 1,358,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,005.80 : 1,358,007.80 = 969,005.80 : x
  2. Step 2: Convert to fraction form
    969,005.80/1,358,007.80 = 969,005.80/x
  3. Step 3: Cross multiply
    969,005.80x = 1,358,007.80 × 969,005.80
  4. Step 4: Simplify right side
    969,005.80x = 1,315,917,434,645.24
  5. Step 5: Solve for x
    x = 1,315,917,434,645.24/969,005.80
  6. Step 6: Final answer
    x = 1,358,007.80

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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.