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Finding the Fourth Proportional to 562,214.40, 843,465.60 and 325,132.80

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Solution

The fourth proportional to 562,214.40, 843,465.60 and 325,132.80 is: 487,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,214.40 : 843,465.60 = 325,132.80 : x
  2. Step 2: Convert to fraction form
    562,214.40/843,465.60 = 325,132.80/x
  3. Step 3: Cross multiply
    562,214.40x = 843,465.60 × 325,132.80
  4. Step 4: Simplify right side
    562,214.40x = 274,238,332,231.68
  5. Step 5: Solve for x
    x = 274,238,332,231.68/562,214.40
  6. Step 6: Final answer
    x = 487,782.48

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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.