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Finding the Fourth Proportional to 348,322.60, 522,969.90 and 222,740.20

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Solution

The fourth proportional to 348,322.60, 522,969.90 and 222,740.20 is: 334,421.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,322.60 : 522,969.90 = 222,740.20 : x
  2. Step 2: Convert to fraction form
    348,322.60/522,969.90 = 222,740.20/x
  3. Step 3: Cross multiply
    348,322.60x = 522,969.90 × 222,740.20
  4. Step 4: Simplify right side
    348,322.60x = 116,486,420,119.98
  5. Step 5: Solve for x
    x = 116,486,420,119.98/348,322.60
  6. Step 6: Final answer
    x = 334,421.08

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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.