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Finding the Fourth Proportional to 629,462.10, 944,472.21 and 329,871.45

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Solution

The fourth proportional to 629,462.10, 944,472.21 and 329,871.45 is: 494,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,462.10 : 944,472.21 = 329,871.45 : x
  2. Step 2: Convert to fraction form
    629,462.10/944,472.21 = 329,871.45/x
  3. Step 3: Cross multiply
    629,462.10x = 944,472.21 × 329,871.45
  4. Step 4: Simplify right side
    629,462.10x = 311,554,417,397.41
  5. Step 5: Solve for x
    x = 311,554,417,397.41/629,462.10
  6. Step 6: Final answer
    x = 494,953.42

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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.