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Finding the Fourth Proportional to 552,442.80, 828,705.96 and 153,078.96

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Solution

The fourth proportional to 552,442.80, 828,705.96 and 153,078.96 is: 229,630.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,442.80 : 828,705.96 = 153,078.96 : x
  2. Step 2: Convert to fraction form
    552,442.80/828,705.96 = 153,078.96/x
  3. Step 3: Cross multiply
    552,442.80x = 828,705.96 × 153,078.96
  4. Step 4: Simplify right side
    552,442.80x = 126,857,446,502.60
  5. Step 5: Solve for x
    x = 126,857,446,502.60/552,442.80
  6. Step 6: Final answer
    x = 229,630.01

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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.