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Finding the Fourth Proportional to 348,353.58, 480,772.41 and 205,126.95

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Solution

The fourth proportional to 348,353.58, 480,772.41 and 205,126.95 is: 283,101.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,353.58 : 480,772.41 = 205,126.95 : x
  2. Step 2: Convert to fraction form
    348,353.58/480,772.41 = 205,126.95/x
  3. Step 3: Cross multiply
    348,353.58x = 480,772.41 × 205,126.95
  4. Step 4: Simplify right side
    348,353.58x = 98,619,378,107.45
  5. Step 5: Solve for x
    x = 98,619,378,107.45/348,353.58
  6. Step 6: Final answer
    x = 283,101.38

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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.