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Finding the Fourth Proportional to 1,566,266.70, 2,349,400.05 and 1,027,389.90

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Solution

The fourth proportional to 1,566,266.70, 2,349,400.05 and 1,027,389.90 is: 1,541,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,266.70 : 2,349,400.05 = 1,027,389.90 : x
  2. Step 2: Convert to fraction form
    1,566,266.70/2,349,400.05 = 1,027,389.90/x
  3. Step 3: Cross multiply
    1,566,266.70x = 2,349,400.05 × 1,027,389.90
  4. Step 4: Simplify right side
    1,566,266.70x = 2,413,749,882,429.49
  5. Step 5: Solve for x
    x = 2,413,749,882,429.49/1,566,266.70
  6. Step 6: Final answer
    x = 1,541,084.85

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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.