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Finding the Fourth Proportional to 427,054.77, 589,309.97 and 236,056.77

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Solution

The fourth proportional to 427,054.77, 589,309.97 and 236,056.77 is: 325,744.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,054.77 : 589,309.97 = 236,056.77 : x
  2. Step 2: Convert to fraction form
    427,054.77/589,309.97 = 236,056.77/x
  3. Step 3: Cross multiply
    427,054.77x = 589,309.97 × 236,056.77
  4. Step 4: Simplify right side
    427,054.77x = 139,110,606,866.71
  5. Step 5: Solve for x
    x = 139,110,606,866.71/427,054.77
  6. Step 6: Final answer
    x = 325,744.18

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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.