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Finding the Fourth Proportional to 2,575,216.80, 3,864,574.80 and 1,437,976.80

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Solution

The fourth proportional to 2,575,216.80, 3,864,574.80 and 1,437,976.80 is: 2,157,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575,216.80 : 3,864,574.80 = 1,437,976.80 : x
  2. Step 2: Convert to fraction form
    2,575,216.80/3,864,574.80 = 1,437,976.80/x
  3. Step 3: Cross multiply
    2,575,216.80x = 3,864,574.80 × 1,437,976.80
  4. Step 4: Simplify right side
    2,575,216.80x = 5,557,168,904,264.64
  5. Step 5: Solve for x
    x = 5,557,168,904,264.64/2,575,216.80
  6. Step 6: Final answer
    x = 2,157,942.16

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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.