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Finding the Fourth Proportional to 629,569.02, 869,057.19 and 374,871

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Solution

The fourth proportional to 629,569.02, 869,057.19 and 374,871 is: 517,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,569.02 : 869,057.19 = 374,871 : x
  2. Step 2: Convert to fraction form
    629,569.02/869,057.19 = 374,871/x
  3. Step 3: Cross multiply
    629,569.02x = 869,057.19 × 374,871
  4. Step 4: Simplify right side
    629,569.02x = 325,784,337,872.49
  5. Step 5: Solve for x
    x = 325,784,337,872.49/629,569.02
  6. Step 6: Final answer
    x = 517,472.00

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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.