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Finding the Fourth Proportional to 472,837.70, 709,717.35 and 236,447.30

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Solution

The fourth proportional to 472,837.70, 709,717.35 and 236,447.30 is: 354,901.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,837.70 : 709,717.35 = 236,447.30 : x
  2. Step 2: Convert to fraction form
    472,837.70/709,717.35 = 236,447.30/x
  3. Step 3: Cross multiply
    472,837.70x = 709,717.35 × 236,447.30
  4. Step 4: Simplify right side
    472,837.70x = 167,810,751,170.66
  5. Step 5: Solve for x
    x = 167,810,751,170.66/472,837.70
  6. Step 6: Final answer
    x = 354,901.38

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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.