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Finding the Fourth Proportional to 427,868.82, 590,458.97 and 236,894.51

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Solution

The fourth proportional to 427,868.82, 590,458.97 and 236,894.51 is: 326,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,868.82 : 590,458.97 = 236,894.51 : x
  2. Step 2: Convert to fraction form
    427,868.82/590,458.97 = 236,894.51/x
  3. Step 3: Cross multiply
    427,868.82x = 590,458.97 × 236,894.51
  4. Step 4: Simplify right side
    427,868.82x = 139,876,484,236.49
  5. Step 5: Solve for x
    x = 139,876,484,236.49/427,868.82
  6. Step 6: Final answer
    x = 326,914.41

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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.