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Finding the Fourth Proportional to 479,522.76, 661,751.37 and 264,662.30

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Solution

The fourth proportional to 479,522.76, 661,751.37 and 264,662.30 is: 365,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,522.76 : 661,751.37 = 264,662.30 : x
  2. Step 2: Convert to fraction form
    479,522.76/661,751.37 = 264,662.30/x
  3. Step 3: Cross multiply
    479,522.76x = 661,751.37 × 264,662.30
  4. Step 4: Simplify right side
    479,522.76x = 175,140,639,612.35
  5. Step 5: Solve for x
    x = 175,140,639,612.35/479,522.76
  6. Step 6: Final answer
    x = 365,239.47

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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.