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Finding the Fourth Proportional to 535,883.67, 739,478.84 and 294,127.83

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Solution

The fourth proportional to 535,883.67, 739,478.84 and 294,127.83 is: 405,874.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,883.67 : 739,478.84 = 294,127.83 : x
  2. Step 2: Convert to fraction form
    535,883.67/739,478.84 = 294,127.83/x
  3. Step 3: Cross multiply
    535,883.67x = 739,478.84 × 294,127.83
  4. Step 4: Simplify right side
    535,883.67x = 217,501,305,069.48
  5. Step 5: Solve for x
    x = 217,501,305,069.48/535,883.67
  6. Step 6: Final answer
    x = 405,874.11

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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.