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Finding the Fourth Proportional to 706,339.49, 974,737.02 and 384,057.70

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Solution

The fourth proportional to 706,339.49, 974,737.02 and 384,057.70 is: 529,993.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,339.49 : 974,737.02 = 384,057.70 : x
  2. Step 2: Convert to fraction form
    706,339.49/974,737.02 = 384,057.70/x
  3. Step 3: Cross multiply
    706,339.49x = 974,737.02 × 384,057.70
  4. Step 4: Simplify right side
    706,339.49x = 374,355,259,251.84
  5. Step 5: Solve for x
    x = 374,355,259,251.84/706,339.49
  6. Step 6: Final answer
    x = 529,993.39

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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.