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Finding the Fourth Proportional to 314,373.64, 433,835.66 and 171,134.76

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Solution

The fourth proportional to 314,373.64, 433,835.66 and 171,134.76 is: 236,165.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,373.64 : 433,835.66 = 171,134.76 : x
  2. Step 2: Convert to fraction form
    314,373.64/433,835.66 = 171,134.76/x
  3. Step 3: Cross multiply
    314,373.64x = 433,835.66 × 171,134.76
  4. Step 4: Simplify right side
    314,373.64x = 74,244,361,553.54
  5. Step 5: Solve for x
    x = 74,244,361,553.54/314,373.64
  6. Step 6: Final answer
    x = 236,165.99

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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.