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Finding the Fourth Proportional to 936,064.60, 1,313,808.20 and 936,064.60

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Solution

The fourth proportional to 936,064.60, 1,313,808.20 and 936,064.60 is: 1,313,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,064.60 : 1,313,808.20 = 936,064.60 : x
  2. Step 2: Convert to fraction form
    936,064.60/1,313,808.20 = 936,064.60/x
  3. Step 3: Cross multiply
    936,064.60x = 1,313,808.20 × 936,064.60
  4. Step 4: Simplify right side
    936,064.60x = 1,229,809,347,209.72
  5. Step 5: Solve for x
    x = 1,229,809,347,209.72/936,064.60
  6. Step 6: Final answer
    x = 1,313,808.20

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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.