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Finding the Fourth Proportional to 988,747, 1,364,470.86 and 536,038

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Solution

The fourth proportional to 988,747, 1,364,470.86 and 536,038 is: 739,732.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,747 : 1,364,470.86 = 536,038 : x
  2. Step 2: Convert to fraction form
    988,747/1,364,470.86 = 536,038/x
  3. Step 3: Cross multiply
    988,747x = 1,364,470.86 × 536,038
  4. Step 4: Simplify right side
    988,747x = 731,408,230,852.68
  5. Step 5: Solve for x
    x = 731,408,230,852.68/988,747
  6. Step 6: Final answer
    x = 739,732.44

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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.