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Finding the Fourth Proportional to 750,910.08, 1,036,256 and 449,104

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Solution

The fourth proportional to 750,910.08, 1,036,256 and 449,104 is: 619,763.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,910.08 : 1,036,256 = 449,104 : x
  2. Step 2: Convert to fraction form
    750,910.08/1,036,256 = 449,104/x
  3. Step 3: Cross multiply
    750,910.08x = 1,036,256 × 449,104
  4. Step 4: Simplify right side
    750,910.08x = 465,386,714,624
  5. Step 5: Solve for x
    x = 465,386,714,624/750,910.08
  6. Step 6: Final answer
    x = 619,763.57

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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.