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Finding the Fourth Proportional to 356,615.72, 535,759.68 and 336,440.24

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Solution

The fourth proportional to 356,615.72, 535,759.68 and 336,440.24 is: 505,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,615.72 : 535,759.68 = 336,440.24 : x
  2. Step 2: Convert to fraction form
    356,615.72/535,759.68 = 336,440.24/x
  3. Step 3: Cross multiply
    356,615.72x = 535,759.68 × 336,440.24
  4. Step 4: Simplify right side
    356,615.72x = 180,251,115,321.52
  5. Step 5: Solve for x
    x = 180,251,115,321.52/356,615.72
  6. Step 6: Final answer
    x = 505,449.16

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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.