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Finding the Fourth Proportional to 695,261.50, 959,460.87 and 377,309.50

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Solution

The fourth proportional to 695,261.50, 959,460.87 and 377,309.50 is: 520,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,261.50 : 959,460.87 = 377,309.50 : x
  2. Step 2: Convert to fraction form
    695,261.50/959,460.87 = 377,309.50/x
  3. Step 3: Cross multiply
    695,261.50x = 959,460.87 × 377,309.50
  4. Step 4: Simplify right side
    695,261.50x = 362,013,701,129.27
  5. Step 5: Solve for x
    x = 362,013,701,129.27/695,261.50
  6. Step 6: Final answer
    x = 520,687.11

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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.