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Finding the Fourth Proportional to 292,884.39, 438,825.04 and 159,858

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Solution

The fourth proportional to 292,884.39, 438,825.04 and 159,858 is: 239,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,884.39 : 438,825.04 = 159,858 : x
  2. Step 2: Convert to fraction form
    292,884.39/438,825.04 = 159,858/x
  3. Step 3: Cross multiply
    292,884.39x = 438,825.04 × 159,858
  4. Step 4: Simplify right side
    292,884.39x = 70,149,692,844.68
  5. Step 5: Solve for x
    x = 70,149,692,844.68/292,884.39
  6. Step 6: Final answer
    x = 239,513.25

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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.