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Finding the Fourth Proportional to 364,682.79, 547,268.54 and 128,026.17

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Solution

The fourth proportional to 364,682.79, 547,268.54 and 128,026.17 is: 192,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,682.79 : 547,268.54 = 128,026.17 : x
  2. Step 2: Convert to fraction form
    364,682.79/547,268.54 = 128,026.17/x
  3. Step 3: Cross multiply
    364,682.79x = 547,268.54 × 128,026.17
  4. Step 4: Simplify right side
    364,682.79x = 70,064,694,497.56
  5. Step 5: Solve for x
    x = 70,064,694,497.56/364,682.79
  6. Step 6: Final answer
    x = 192,125.04

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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.