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Finding the Fourth Proportional to 294,443.29, 406,228.26 and 192,528.41

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Solution

The fourth proportional to 294,443.29, 406,228.26 and 192,528.41 is: 265,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,443.29 : 406,228.26 = 192,528.41 : x
  2. Step 2: Convert to fraction form
    294,443.29/406,228.26 = 192,528.41/x
  3. Step 3: Cross multiply
    294,443.29x = 406,228.26 × 192,528.41
  4. Step 4: Simplify right side
    294,443.29x = 78,210,478,001.08
  5. Step 5: Solve for x
    x = 78,210,478,001.08/294,443.29
  6. Step 6: Final answer
    x = 265,621.53

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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.