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Finding the Fourth Proportional to 562,453.20, 845,648.10 and 550,643.40

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Solution

The fourth proportional to 562,453.20, 845,648.10 and 550,643.40 is: 827,892.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,453.20 : 845,648.10 = 550,643.40 : x
  2. Step 2: Convert to fraction form
    562,453.20/845,648.10 = 550,643.40/x
  3. Step 3: Cross multiply
    562,453.20x = 845,648.10 × 550,643.40
  4. Step 4: Simplify right side
    562,453.20x = 465,650,544,987.54
  5. Step 5: Solve for x
    x = 465,650,544,987.54/562,453.20
  6. Step 6: Final answer
    x = 827,892.07

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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.