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Finding the Fourth Proportional to 899,661.96, 1,240,729.41 and 746,457.63

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Solution

The fourth proportional to 899,661.96, 1,240,729.41 and 746,457.63 is: 1,029,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,661.96 : 1,240,729.41 = 746,457.63 : x
  2. Step 2: Convert to fraction form
    899,661.96/1,240,729.41 = 746,457.63/x
  3. Step 3: Cross multiply
    899,661.96x = 1,240,729.41 × 746,457.63
  4. Step 4: Simplify right side
    899,661.96x = 926,151,934,859.90
  5. Step 5: Solve for x
    x = 926,151,934,859.90/899,661.96
  6. Step 6: Final answer
    x = 1,029,444.36

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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.