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Finding the Fourth Proportional to 351,425.64, 484,965.16 and 190,280.19

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Solution

The fourth proportional to 351,425.64, 484,965.16 and 190,280.19 is: 262,585.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,425.64 : 484,965.16 = 190,280.19 : x
  2. Step 2: Convert to fraction form
    351,425.64/484,965.16 = 190,280.19/x
  3. Step 3: Cross multiply
    351,425.64x = 484,965.16 × 190,280.19
  4. Step 4: Simplify right side
    351,425.64x = 92,279,262,788.18
  5. Step 5: Solve for x
    x = 92,279,262,788.18/351,425.64
  6. Step 6: Final answer
    x = 262,585.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.