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Finding the Fourth Proportional to 479,371.76, 661,527.80 and 264,520.88

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Solution

The fourth proportional to 479,371.76, 661,527.80 and 264,520.88 is: 365,035.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,371.76 : 661,527.80 = 264,520.88 : x
  2. Step 2: Convert to fraction form
    479,371.76/661,527.80 = 264,520.88/x
  3. Step 3: Cross multiply
    479,371.76x = 661,527.80 × 264,520.88
  4. Step 4: Simplify right side
    479,371.76x = 174,987,915,800.46
  5. Step 5: Solve for x
    x = 174,987,915,800.46/479,371.76
  6. Step 6: Final answer
    x = 365,035.93

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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.