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Finding the Fourth Proportional to 629,955.49, 945,376.03 and 569,725.51

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Solution

The fourth proportional to 629,955.49, 945,376.03 and 569,725.51 is: 854,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,955.49 : 945,376.03 = 569,725.51 : x
  2. Step 2: Convert to fraction form
    629,955.49/945,376.03 = 569,725.51/x
  3. Step 3: Cross multiply
    629,955.49x = 945,376.03 × 569,725.51
  4. Step 4: Simplify right side
    629,955.49x = 538,604,840,833.53
  5. Step 5: Solve for x
    x = 538,604,840,833.53/629,955.49
  6. Step 6: Final answer
    x = 854,988.72

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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.