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Finding the Fourth Proportional to 532,169.60, 798,254.40 and 343,212.80

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Solution

The fourth proportional to 532,169.60, 798,254.40 and 343,212.80 is: 514,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,169.60 : 798,254.40 = 343,212.80 : x
  2. Step 2: Convert to fraction form
    532,169.60/798,254.40 = 343,212.80/x
  3. Step 3: Cross multiply
    532,169.60x = 798,254.40 × 343,212.80
  4. Step 4: Simplify right side
    532,169.60x = 273,971,127,736.32
  5. Step 5: Solve for x
    x = 273,971,127,736.32/532,169.60
  6. Step 6: Final answer
    x = 514,819.20

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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.