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Finding the Fourth Proportional to 2,078,866, 3,118,299.12 and 502,930

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Solution

The fourth proportional to 2,078,866, 3,118,299.12 and 502,930 is: 754,395.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,866 : 3,118,299.12 = 502,930 : x
  2. Step 2: Convert to fraction form
    2,078,866/3,118,299.12 = 502,930/x
  3. Step 3: Cross multiply
    2,078,866x = 3,118,299.12 × 502,930
  4. Step 4: Simplify right side
    2,078,866x = 1,568,286,176,421.60
  5. Step 5: Solve for x
    x = 1,568,286,176,421.60/2,078,866
  6. Step 6: Final answer
    x = 754,395.03

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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.