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Finding the Fourth Proportional to 467,326.86, 644,911.05 and 263,385.24

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Solution

The fourth proportional to 467,326.86, 644,911.05 and 263,385.24 is: 363,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,326.86 : 644,911.05 = 263,385.24 : x
  2. Step 2: Convert to fraction form
    467,326.86/644,911.05 = 263,385.24/x
  3. Step 3: Cross multiply
    467,326.86x = 644,911.05 × 263,385.24
  4. Step 4: Simplify right side
    467,326.86x = 169,860,051,682.90
  5. Step 5: Solve for x
    x = 169,860,051,682.90/467,326.86
  6. Step 6: Final answer
    x = 363,471.62

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1.5x scale

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.