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Finding the Fourth Proportional to 610,607.97, 842,504.09 and 352,429.92

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Solution

The fourth proportional to 610,607.97, 842,504.09 and 352,429.92 is: 486,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,607.97 : 842,504.09 = 352,429.92 : x
  2. Step 2: Convert to fraction form
    610,607.97/842,504.09 = 352,429.92/x
  3. Step 3: Cross multiply
    610,607.97x = 842,504.09 × 352,429.92
  4. Step 4: Simplify right side
    610,607.97x = 296,923,647,276.22
  5. Step 5: Solve for x
    x = 296,923,647,276.22/610,607.97
  6. Step 6: Final answer
    x = 486,275.42

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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.