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Finding the Fourth Proportional to 562,132.40, 843,342.60 and 325,050.80

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Solution

The fourth proportional to 562,132.40, 843,342.60 and 325,050.80 is: 487,659.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,132.40 : 843,342.60 = 325,050.80 : x
  2. Step 2: Convert to fraction form
    562,132.40/843,342.60 = 325,050.80/x
  3. Step 3: Cross multiply
    562,132.40x = 843,342.60 × 325,050.80
  4. Step 4: Simplify right side
    562,132.40x = 274,129,186,804.08
  5. Step 5: Solve for x
    x = 274,129,186,804.08/562,132.40
  6. Step 6: Final answer
    x = 487,659.47

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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.