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Finding the Fourth Proportional to 441,665.52, 661,642.92 and 264,312.24

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Solution

The fourth proportional to 441,665.52, 661,642.92 and 264,312.24 is: 395,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,665.52 : 661,642.92 = 264,312.24 : x
  2. Step 2: Convert to fraction form
    441,665.52/661,642.92 = 264,312.24/x
  3. Step 3: Cross multiply
    441,665.52x = 661,642.92 × 264,312.24
  4. Step 4: Simplify right side
    441,665.52x = 174,880,322,265.34
  5. Step 5: Solve for x
    x = 174,880,322,265.34/441,665.52
  6. Step 6: Final answer
    x = 395,956.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.