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Finding the Fourth Proportional to 503,759.24, 755,637.96 and 345,507.92

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Solution

The fourth proportional to 503,759.24, 755,637.96 and 345,507.92 is: 518,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,759.24 : 755,637.96 = 345,507.92 : x
  2. Step 2: Convert to fraction form
    503,759.24/755,637.96 = 345,507.92/x
  3. Step 3: Cross multiply
    503,759.24x = 755,637.96 × 345,507.92
  4. Step 4: Simplify right side
    503,759.24x = 261,078,899,832.64
  5. Step 5: Solve for x
    x = 261,078,899,832.64/503,759.24
  6. Step 6: Final answer
    x = 518,261.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.