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Finding the Fourth Proportional to 446,406.32, 669,610.68 and 109,448.48

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Solution

The fourth proportional to 446,406.32, 669,610.68 and 109,448.48 is: 164,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,406.32 : 669,610.68 = 109,448.48 : x
  2. Step 2: Convert to fraction form
    446,406.32/669,610.68 = 109,448.48/x
  3. Step 3: Cross multiply
    446,406.32x = 669,610.68 × 109,448.48
  4. Step 4: Simplify right side
    446,406.32x = 73,287,871,117.77
  5. Step 5: Solve for x
    x = 73,287,871,117.77/446,406.32
  6. Step 6: Final answer
    x = 164,173.01

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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.