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Finding the Fourth Proportional to 553,336.66, 828,993.45 and 401,156.85

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Solution

The fourth proportional to 553,336.66, 828,993.45 and 401,156.85 is: 601,001.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,336.66 : 828,993.45 = 401,156.85 : x
  2. Step 2: Convert to fraction form
    553,336.66/828,993.45 = 401,156.85/x
  3. Step 3: Cross multiply
    553,336.66x = 828,993.45 × 401,156.85
  4. Step 4: Simplify right side
    553,336.66x = 332,556,401,072.63
  5. Step 5: Solve for x
    x = 332,556,401,072.63/553,336.66
  6. Step 6: Final answer
    x = 601,001.93

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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.