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Finding the Fourth Proportional to 520,100.02, 717,752.24 and 293,745.52

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Solution

The fourth proportional to 520,100.02, 717,752.24 and 293,745.52 is: 405,376.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,100.02 : 717,752.24 = 293,745.52 : x
  2. Step 2: Convert to fraction form
    520,100.02/717,752.24 = 293,745.52/x
  3. Step 3: Cross multiply
    520,100.02x = 717,752.24 × 293,745.52
  4. Step 4: Simplify right side
    520,100.02x = 210,836,504,969.97
  5. Step 5: Solve for x
    x = 210,836,504,969.97/520,100.02
  6. Step 6: Final answer
    x = 405,376.84

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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.