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Finding the Fourth Proportional to 611,999.73, 844,542.84 and 340,060.64

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Solution

The fourth proportional to 611,999.73, 844,542.84 and 340,060.64 is: 469,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,999.73 : 844,542.84 = 340,060.64 : x
  2. Step 2: Convert to fraction form
    611,999.73/844,542.84 = 340,060.64/x
  3. Step 3: Cross multiply
    611,999.73x = 844,542.84 × 340,060.64
  4. Step 4: Simplify right side
    611,999.73x = 287,195,778,677.82
  5. Step 5: Solve for x
    x = 287,195,778,677.82/611,999.73
  6. Step 6: Final answer
    x = 469,274.36

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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.