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Finding the Fourth Proportional to 2,339,747.03, 3,509,745.20 and 742,435.13

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Solution

The fourth proportional to 2,339,747.03, 3,509,745.20 and 742,435.13 is: 1,113,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339,747.03 : 3,509,745.20 = 742,435.13 : x
  2. Step 2: Convert to fraction form
    2,339,747.03/3,509,745.20 = 742,435.13/x
  3. Step 3: Cross multiply
    2,339,747.03x = 3,509,745.20 × 742,435.13
  4. Step 4: Simplify right side
    2,339,747.03x = 2,605,758,133,828.88
  5. Step 5: Solve for x
    x = 2,605,758,133,828.88/2,339,747.03
  6. Step 6: Final answer
    x = 1,113,692.25

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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.