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Finding the Fourth Proportional to 483,309.60, 725,061.60 and 404,966.40

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Solution

The fourth proportional to 483,309.60, 725,061.60 and 404,966.40 is: 607,531.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,309.60 : 725,061.60 = 404,966.40 : x
  2. Step 2: Convert to fraction form
    483,309.60/725,061.60 = 404,966.40/x
  3. Step 3: Cross multiply
    483,309.60x = 725,061.60 × 404,966.40
  4. Step 4: Simplify right side
    483,309.60x = 293,625,585,930.24
  5. Step 5: Solve for x
    x = 293,625,585,930.24/483,309.60
  6. Step 6: Final answer
    x = 607,531.04

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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.