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Finding the Fourth Proportional to 695,205, 959,382.90 and 377,253

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Solution

The fourth proportional to 695,205, 959,382.90 and 377,253 is: 520,609.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,205 : 959,382.90 = 377,253 : x
  2. Step 2: Convert to fraction form
    695,205/959,382.90 = 377,253/x
  3. Step 3: Cross multiply
    695,205x = 959,382.90 × 377,253
  4. Step 4: Simplify right side
    695,205x = 361,930,077,173.70
  5. Step 5: Solve for x
    x = 361,930,077,173.70/695,205
  6. Step 6: Final answer
    x = 520,609.14

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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.