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Finding the Fourth Proportional to 467,364.80, 644,207.87 and 365,212.76

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Solution

The fourth proportional to 467,364.80, 644,207.87 and 365,212.76 is: 503,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,364.80 : 644,207.87 = 365,212.76 : x
  2. Step 2: Convert to fraction form
    467,364.80/644,207.87 = 365,212.76/x
  3. Step 3: Cross multiply
    467,364.80x = 644,207.87 × 365,212.76
  4. Step 4: Simplify right side
    467,364.80x = 235,272,932,390.36
  5. Step 5: Solve for x
    x = 235,272,932,390.36/467,364.80
  6. Step 6: Final answer
    x = 503,403.20

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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.