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Finding the Fourth Proportional to 695,038.85, 959,100.99 and 423,076.52

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Solution

The fourth proportional to 695,038.85, 959,100.99 and 423,076.52 is: 583,813.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,038.85 : 959,100.99 = 423,076.52 : x
  2. Step 2: Convert to fraction form
    695,038.85/959,100.99 = 423,076.52/x
  3. Step 3: Cross multiply
    695,038.85x = 959,100.99 × 423,076.52
  4. Step 4: Simplify right side
    695,038.85x = 405,773,106,378.88
  5. Step 5: Solve for x
    x = 405,773,106,378.88/695,038.85
  6. Step 6: Final answer
    x = 583,813.56

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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.