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Finding the Fourth Proportional to 610,597.73, 842,725.73 and 338,753.21

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Solution

The fourth proportional to 610,597.73, 842,725.73 and 338,753.21 is: 467,535.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,597.73 : 842,725.73 = 338,753.21 : x
  2. Step 2: Convert to fraction form
    610,597.73/842,725.73 = 338,753.21/x
  3. Step 3: Cross multiply
    610,597.73x = 842,725.73 × 338,753.21
  4. Step 4: Simplify right side
    610,597.73x = 285,476,042,820.35
  5. Step 5: Solve for x
    x = 285,476,042,820.35/610,597.73
  6. Step 6: Final answer
    x = 467,535.38

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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.