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Finding the Fourth Proportional to 3,779,512.07, 5,669,288.91 and 939,624.26

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Solution

The fourth proportional to 3,779,512.07, 5,669,288.91 and 939,624.26 is: 1,409,441.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,512.07 : 5,669,288.91 = 939,624.26 : x
  2. Step 2: Convert to fraction form
    3,779,512.07/5,669,288.91 = 939,624.26/x
  3. Step 3: Cross multiply
    3,779,512.07x = 5,669,288.91 × 939,624.26
  4. Step 4: Simplify right side
    3,779,512.07x = 5,327,001,368,438.51
  5. Step 5: Solve for x
    x = 5,327,001,368,438.51/3,779,512.07
  6. Step 6: Final answer
    x = 1,409,441.56

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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.