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Finding the Fourth Proportional to 352,461.25, 486,797.52 and 239,087.17

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Solution

The fourth proportional to 352,461.25, 486,797.52 and 239,087.17 is: 330,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,461.25 : 486,797.52 = 239,087.17 : x
  2. Step 2: Convert to fraction form
    352,461.25/486,797.52 = 239,087.17/x
  3. Step 3: Cross multiply
    352,461.25x = 486,797.52 × 239,087.17
  4. Step 4: Simplify right side
    352,461.25x = 116,387,041,419.82
  5. Step 5: Solve for x
    x = 116,387,041,419.82/352,461.25
  6. Step 6: Final answer
    x = 330,212.30

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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.