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Finding the Fourth Proportional to 552,645.86, 828,968.76 and 153,286.70

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Solution

The fourth proportional to 552,645.86, 828,968.76 and 153,286.70 is: 229,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,645.86 : 828,968.76 = 153,286.70 : x
  2. Step 2: Convert to fraction form
    552,645.86/828,968.76 = 153,286.70/x
  3. Step 3: Cross multiply
    552,645.86x = 828,968.76 × 153,286.70
  4. Step 4: Simplify right side
    552,645.86x = 127,069,885,623.49
  5. Step 5: Solve for x
    x = 127,069,885,623.49/552,645.86
  6. Step 6: Final answer
    x = 229,930.04

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Similar ratio
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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.