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Finding the Fourth Proportional to 552,644.86, 828,967.26 and 153,285.70

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Solution

The fourth proportional to 552,644.86, 828,967.26 and 153,285.70 is: 229,928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,644.86 : 828,967.26 = 153,285.70 : x
  2. Step 2: Convert to fraction form
    552,644.86/828,967.26 = 153,285.70/x
  3. Step 3: Cross multiply
    552,644.86x = 828,967.26 × 153,285.70
  4. Step 4: Simplify right side
    552,644.86x = 127,068,826,726.18
  5. Step 5: Solve for x
    x = 127,068,826,726.18/552,644.86
  6. Step 6: Final answer
    x = 229,928.54

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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.