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Finding the Fourth Proportional to 427,357.32, 589,713.44 and 236,366.62

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Solution

The fourth proportional to 427,357.32, 589,713.44 and 236,366.62 is: 326,164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,357.32 : 589,713.44 = 236,366.62 : x
  2. Step 2: Convert to fraction form
    427,357.32/589,713.44 = 236,366.62/x
  3. Step 3: Cross multiply
    427,357.32x = 589,713.44 × 236,366.62
  4. Step 4: Simplify right side
    427,357.32x = 139,388,572,581.37
  5. Step 5: Solve for x
    x = 139,388,572,581.37/427,357.32
  6. Step 6: Final answer
    x = 326,164.00

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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.