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Finding the Fourth Proportional to 316,682.94, 437,023.08 and 171,490.32

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Solution

The fourth proportional to 316,682.94, 437,023.08 and 171,490.32 is: 236,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,682.94 : 437,023.08 = 171,490.32 : x
  2. Step 2: Convert to fraction form
    316,682.94/437,023.08 = 171,490.32/x
  3. Step 3: Cross multiply
    316,682.94x = 437,023.08 × 171,490.32
  4. Step 4: Simplify right side
    316,682.94x = 74,945,227,836.59
  5. Step 5: Solve for x
    x = 74,945,227,836.59/316,682.94
  6. Step 6: Final answer
    x = 236,656.98

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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.