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Finding the Fourth Proportional to 1,835,590.60, 2,751,053.10 and 886,918.60

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Solution

The fourth proportional to 1,835,590.60, 2,751,053.10 and 886,918.60 is: 1,329,250.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835,590.60 : 2,751,053.10 = 886,918.60 : x
  2. Step 2: Convert to fraction form
    1,835,590.60/2,751,053.10 = 886,918.60/x
  3. Step 3: Cross multiply
    1,835,590.60x = 2,751,053.10 × 886,918.60
  4. Step 4: Simplify right side
    1,835,590.60x = 2,439,960,163,977.66
  5. Step 5: Solve for x
    x = 2,439,960,163,977.66/1,835,590.60
  6. Step 6: Final answer
    x = 1,329,250.74

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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.