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Finding the Fourth Proportional to 1,961,726.04, 2,707,095.54 and 1,146,005.28

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Solution

The fourth proportional to 1,961,726.04, 2,707,095.54 and 1,146,005.28 is: 1,581,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,726.04 : 2,707,095.54 = 1,146,005.28 : x
  2. Step 2: Convert to fraction form
    1,961,726.04/2,707,095.54 = 1,146,005.28/x
  3. Step 3: Cross multiply
    1,961,726.04x = 2,707,095.54 × 1,146,005.28
  4. Step 4: Simplify right side
    1,961,726.04x = 3,102,345,782,304.45
  5. Step 5: Solve for x
    x = 3,102,345,782,304.45/1,961,726.04
  6. Step 6: Final answer
    x = 1,581,436.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.