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Finding the Fourth Proportional to 1,796,781.90, 2,695,172.85 and 1,725,923.10

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Solution

The fourth proportional to 1,796,781.90, 2,695,172.85 and 1,725,923.10 is: 2,588,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,781.90 : 2,695,172.85 = 1,725,923.10 : x
  2. Step 2: Convert to fraction form
    1,796,781.90/2,695,172.85 = 1,725,923.10/x
  3. Step 3: Cross multiply
    1,796,781.90x = 2,695,172.85 × 1,725,923.10
  4. Step 4: Simplify right side
    1,796,781.90x = 4,651,661,080,307.84
  5. Step 5: Solve for x
    x = 4,651,661,080,307.84/1,796,781.90
  6. Step 6: Final answer
    x = 2,588,884.65

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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.