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Finding the Fourth Proportional to 647,818.48, 971,727.72 and 332,074

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Solution

The fourth proportional to 647,818.48, 971,727.72 and 332,074 is: 498,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,818.48 : 971,727.72 = 332,074 : x
  2. Step 2: Convert to fraction form
    647,818.48/971,727.72 = 332,074/x
  3. Step 3: Cross multiply
    647,818.48x = 971,727.72 × 332,074
  4. Step 4: Simplify right side
    647,818.48x = 322,685,510,891.28
  5. Step 5: Solve for x
    x = 322,685,510,891.28/647,818.48
  6. Step 6: Final answer
    x = 498,111.00

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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.