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Finding the Fourth Proportional to 1,796,724.17, 2,692,724.25 and 886,407.29

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Solution

The fourth proportional to 1,796,724.17, 2,692,724.25 and 886,407.29 is: 1,328,445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,724.17 : 2,692,724.25 = 886,407.29 : x
  2. Step 2: Convert to fraction form
    1,796,724.17/2,692,724.25 = 886,407.29/x
  3. Step 3: Cross multiply
    1,796,724.17x = 2,692,724.25 × 886,407.29
  4. Step 4: Simplify right side
    1,796,724.17x = 2,386,850,405,159.78
  5. Step 5: Solve for x
    x = 2,386,850,405,159.78/1,796,724.17
  6. Step 6: Final answer
    x = 1,328,445.65

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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.