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Finding the Fourth Proportional to 439,099.79, 658,871.01 and 173,051.24

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Solution

The fourth proportional to 439,099.79, 658,871.01 and 173,051.24 is: 259,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,099.79 : 658,871.01 = 173,051.24 : x
  2. Step 2: Convert to fraction form
    439,099.79/658,871.01 = 173,051.24/x
  3. Step 3: Cross multiply
    439,099.79x = 658,871.01 × 173,051.24
  4. Step 4: Simplify right side
    439,099.79x = 114,018,441,986.20
  5. Step 5: Solve for x
    x = 114,018,441,986.20/439,099.79
  6. Step 6: Final answer
    x = 259,664.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.