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Finding the Fourth Proportional to 583,383.48, 804,761.82 and 401,780.76

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Solution

The fourth proportional to 583,383.48, 804,761.82 and 401,780.76 is: 554,245.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,383.48 : 804,761.82 = 401,780.76 : x
  2. Step 2: Convert to fraction form
    583,383.48/804,761.82 = 401,780.76/x
  3. Step 3: Cross multiply
    583,383.48x = 804,761.82 × 401,780.76
  4. Step 4: Simplify right side
    583,383.48x = 323,337,815,658.58
  5. Step 5: Solve for x
    x = 323,337,815,658.58/583,383.48
  6. Step 6: Final answer
    x = 554,245.75

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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.