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Finding the Fourth Proportional to 2,666,430, 4,000,062.12 and 868,896.24

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Solution

The fourth proportional to 2,666,430, 4,000,062.12 and 868,896.24 is: 1,303,480.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,430 : 4,000,062.12 = 868,896.24 : x
  2. Step 2: Convert to fraction form
    2,666,430/4,000,062.12 = 868,896.24/x
  3. Step 3: Cross multiply
    2,666,430x = 4,000,062.12 × 868,896.24
  4. Step 4: Simplify right side
    2,666,430x = 3,475,638,935,834.43
  5. Step 5: Solve for x
    x = 3,475,638,935,834.43/2,666,430
  6. Step 6: Final answer
    x = 1,303,480.28

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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.