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Finding the Fourth Proportional to 351,335.52, 484,839.72 and 190,186.44

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Solution

The fourth proportional to 351,335.52, 484,839.72 and 190,186.44 is: 262,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,335.52 : 484,839.72 = 190,186.44 : x
  2. Step 2: Convert to fraction form
    351,335.52/484,839.72 = 190,186.44/x
  3. Step 3: Cross multiply
    351,335.52x = 484,839.72 × 190,186.44
  4. Step 4: Simplify right side
    351,335.52x = 92,209,940,317.40
  5. Step 5: Solve for x
    x = 92,209,940,317.40/351,335.52
  6. Step 6: Final answer
    x = 262,455.50

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1.5x scale

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.