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Finding the Fourth Proportional to 1,796,785.90, 2,695,178.85 and 1,725,927.10

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Solution

The fourth proportional to 1,796,785.90, 2,695,178.85 and 1,725,927.10 is: 2,588,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,785.90 : 2,695,178.85 = 1,725,927.10 : x
  2. Step 2: Convert to fraction form
    1,796,785.90/2,695,178.85 = 1,725,927.10/x
  3. Step 3: Cross multiply
    1,796,785.90x = 2,695,178.85 × 1,725,927.10
  4. Step 4: Simplify right side
    1,796,785.90x = 4,651,682,216,561.84
  5. Step 5: Solve for x
    x = 4,651,682,216,561.84/1,796,785.90
  6. Step 6: Final answer
    x = 2,588,890.65

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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.