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Finding the Fourth Proportional to 566,472.99, 781,750.35 and 308,367.12

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Solution

The fourth proportional to 566,472.99, 781,750.35 and 308,367.12 is: 425,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,472.99 : 781,750.35 = 308,367.12 : x
  2. Step 2: Convert to fraction form
    566,472.99/781,750.35 = 308,367.12/x
  3. Step 3: Cross multiply
    566,472.99x = 781,750.35 × 308,367.12
  4. Step 4: Simplify right side
    566,472.99x = 241,066,102,653.98
  5. Step 5: Solve for x
    x = 241,066,102,653.98/566,472.99
  6. Step 6: Final answer
    x = 425,556.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.