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Finding the Fourth Proportional to 893,107.81, 1,339,705.47 and 360,562.37

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Solution

The fourth proportional to 893,107.81, 1,339,705.47 and 360,562.37 is: 540,861.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,107.81 : 1,339,705.47 = 360,562.37 : x
  2. Step 2: Convert to fraction form
    893,107.81/1,339,705.47 = 360,562.37/x
  3. Step 3: Cross multiply
    893,107.81x = 1,339,705.47 × 360,562.37
  4. Step 4: Simplify right side
    893,107.81x = 483,047,379,365.16
  5. Step 5: Solve for x
    x = 483,047,379,365.16/893,107.81
  6. Step 6: Final answer
    x = 540,861.22

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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.