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Finding the Fourth Proportional to 629,566.02, 869,053.05 and 374,868

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Solution

The fourth proportional to 629,566.02, 869,053.05 and 374,868 is: 517,467.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,566.02 : 869,053.05 = 374,868 : x
  2. Step 2: Convert to fraction form
    629,566.02/869,053.05 = 374,868/x
  3. Step 3: Cross multiply
    629,566.02x = 869,053.05 × 374,868
  4. Step 4: Simplify right side
    629,566.02x = 325,780,178,747.40
  5. Step 5: Solve for x
    x = 325,780,178,747.40/629,566.02
  6. Step 6: Final answer
    x = 517,467.86

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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.