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Finding the Fourth Proportional to 535,820.54, 739,429.74 and 294,107.23

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Solution

The fourth proportional to 535,820.54, 739,429.74 and 294,107.23 is: 405,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,820.54 : 739,429.74 = 294,107.23 : x
  2. Step 2: Convert to fraction form
    535,820.54/739,429.74 = 294,107.23/x
  3. Step 3: Cross multiply
    535,820.54x = 739,429.74 × 294,107.23
  4. Step 4: Simplify right side
    535,820.54x = 217,471,632,611.02
  5. Step 5: Solve for x
    x = 217,471,632,611.02/535,820.54
  6. Step 6: Final answer
    x = 405,866.55

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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.