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Finding the Fourth Proportional to 1,565,355.11, 2,348,481 and 766,870.48

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Solution

The fourth proportional to 1,565,355.11, 2,348,481 and 766,870.48 is: 1,150,525.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,355.11 : 2,348,481 = 766,870.48 : x
  2. Step 2: Convert to fraction form
    1,565,355.11/2,348,481 = 766,870.48/x
  3. Step 3: Cross multiply
    1,565,355.11x = 2,348,481 × 766,870.48
  4. Step 4: Simplify right side
    1,565,355.11x = 1,800,980,751,740.88
  5. Step 5: Solve for x
    x = 1,800,980,751,740.88/1,565,355.11
  6. Step 6: Final answer
    x = 1,150,525.36

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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.