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Finding the Fourth Proportional to 296,957.42, 443,804.99 and 217,162.91

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Solution

The fourth proportional to 296,957.42, 443,804.99 and 217,162.91 is: 324,551.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,957.42 : 443,804.99 = 217,162.91 : x
  2. Step 2: Convert to fraction form
    296,957.42/443,804.99 = 217,162.91/x
  3. Step 3: Cross multiply
    296,957.42x = 443,804.99 × 217,162.91
  4. Step 4: Simplify right side
    296,957.42x = 96,377,979,796.08
  5. Step 5: Solve for x
    x = 96,377,979,796.08/296,957.42
  6. Step 6: Final answer
    x = 324,551.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.