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Finding the Fourth Proportional to 551,659.66, 827,488.27 and 146,851.96

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Solution

The fourth proportional to 551,659.66, 827,488.27 and 146,851.96 is: 220,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,659.66 : 827,488.27 = 146,851.96 : x
  2. Step 2: Convert to fraction form
    551,659.66/827,488.27 = 146,851.96/x
  3. Step 3: Cross multiply
    551,659.66x = 827,488.27 × 146,851.96
  4. Step 4: Simplify right side
    551,659.66x = 121,518,273,959.38
  5. Step 5: Solve for x
    x = 121,518,273,959.38/551,659.66
  6. Step 6: Final answer
    x = 220,277.61

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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.