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Finding the Fourth Proportional to 906,699.60, 1,361,033.55 and 707,901.30

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Solution

The fourth proportional to 906,699.60, 1,361,033.55 and 707,901.30 is: 1,062,620.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,699.60 : 1,361,033.55 = 707,901.30 : x
  2. Step 2: Convert to fraction form
    906,699.60/1,361,033.55 = 707,901.30/x
  3. Step 3: Cross multiply
    906,699.60x = 1,361,033.55 × 707,901.30
  4. Step 4: Simplify right side
    906,699.60x = 963,477,419,388.62
  5. Step 5: Solve for x
    x = 963,477,419,388.62/906,699.60
  6. Step 6: Final answer
    x = 1,062,620.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.