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Finding the Fourth Proportional to 552,652.48, 828,978.64 and 153,293.26

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Solution

The fourth proportional to 552,652.48, 828,978.64 and 153,293.26 is: 229,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,652.48 : 828,978.64 = 153,293.26 : x
  2. Step 2: Convert to fraction form
    552,652.48/828,978.64 = 153,293.26/x
  3. Step 3: Cross multiply
    552,652.48x = 828,978.64 × 153,293.26
  4. Step 4: Simplify right side
    552,652.48x = 127,076,838,195.97
  5. Step 5: Solve for x
    x = 127,076,838,195.97/552,652.48
  6. Step 6: Final answer
    x = 229,939.87

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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.