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Finding the Fourth Proportional to 377,708.70, 529,725.30 and 377,708.70

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Solution

The fourth proportional to 377,708.70, 529,725.30 and 377,708.70 is: 529,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,708.70 : 529,725.30 = 377,708.70 : x
  2. Step 2: Convert to fraction form
    377,708.70/529,725.30 = 377,708.70/x
  3. Step 3: Cross multiply
    377,708.70x = 529,725.30 × 377,708.70
  4. Step 4: Simplify right side
    377,708.70x = 200,081,854,420.11
  5. Step 5: Solve for x
    x = 200,081,854,420.11/377,708.70
  6. Step 6: Final answer
    x = 529,725.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.