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Finding the Fourth Proportional to 500,019.24, 752,706.75 and 448,581

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Solution

The fourth proportional to 500,019.24, 752,706.75 and 448,581 is: 675,273.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,019.24 : 752,706.75 = 448,581 : x
  2. Step 2: Convert to fraction form
    500,019.24/752,706.75 = 448,581/x
  3. Step 3: Cross multiply
    500,019.24x = 752,706.75 × 448,581
  4. Step 4: Simplify right side
    500,019.24x = 337,649,946,621.75
  5. Step 5: Solve for x
    x = 337,649,946,621.75/500,019.24
  6. Step 6: Final answer
    x = 675,273.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.