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Finding the Fourth Proportional to 1,867,267.34, 2,576,803.56 and 1,051,480.80

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Solution

The fourth proportional to 1,867,267.34, 2,576,803.56 and 1,051,480.80 is: 1,451,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,267.34 : 2,576,803.56 = 1,051,480.80 : x
  2. Step 2: Convert to fraction form
    1,867,267.34/2,576,803.56 = 1,051,480.80/x
  3. Step 3: Cross multiply
    1,867,267.34x = 2,576,803.56 × 1,051,480.80
  4. Step 4: Simplify right side
    1,867,267.34x = 2,709,459,468,711.65
  5. Step 5: Solve for x
    x = 2,709,459,468,711.65/1,867,267.34
  6. Step 6: Final answer
    x = 1,451,029.22

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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.