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Finding the Fourth Proportional to 292,708.52, 438,742.06 and 150,561.28

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Solution

The fourth proportional to 292,708.52, 438,742.06 and 150,561.28 is: 225,676.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,708.52 : 438,742.06 = 150,561.28 : x
  2. Step 2: Convert to fraction form
    292,708.52/438,742.06 = 150,561.28/x
  3. Step 3: Cross multiply
    292,708.52x = 438,742.06 × 150,561.28
  4. Step 4: Simplify right side
    292,708.52x = 66,057,566,143.44
  5. Step 5: Solve for x
    x = 66,057,566,143.44/292,708.52
  6. Step 6: Final answer
    x = 225,676.95

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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.