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Finding the Fourth Proportional to 611,548.20, 843,335.82 and 563,273.82

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Solution

The fourth proportional to 611,548.20, 843,335.82 and 563,273.82 is: 776,764.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,548.20 : 843,335.82 = 563,273.82 : x
  2. Step 2: Convert to fraction form
    611,548.20/843,335.82 = 563,273.82/x
  3. Step 3: Cross multiply
    611,548.20x = 843,335.82 × 563,273.82
  4. Step 4: Simplify right side
    611,548.20x = 475,028,988,874.23
  5. Step 5: Solve for x
    x = 475,028,988,874.23/611,548.20
  6. Step 6: Final answer
    x = 776,764.59

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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.