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Finding the Fourth Proportional to 1,728,116.70, 2,592,175.05 and 1,728,116.70

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Solution

The fourth proportional to 1,728,116.70, 2,592,175.05 and 1,728,116.70 is: 2,592,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,116.70 : 2,592,175.05 = 1,728,116.70 : x
  2. Step 2: Convert to fraction form
    1,728,116.70/2,592,175.05 = 1,728,116.70/x
  3. Step 3: Cross multiply
    1,728,116.70x = 2,592,175.05 × 1,728,116.70
  4. Step 4: Simplify right side
    1,728,116.70x = 4,479,580,993,228.34
  5. Step 5: Solve for x
    x = 4,479,580,993,228.34/1,728,116.70
  6. Step 6: Final answer
    x = 2,592,175.05

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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.