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Finding the Fourth Proportional to 591,496.72, 886,406.36 and 457,754.40

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Solution

The fourth proportional to 591,496.72, 886,406.36 and 457,754.40 is: 685,982.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,496.72 : 886,406.36 = 457,754.40 : x
  2. Step 2: Convert to fraction form
    591,496.72/886,406.36 = 457,754.40/x
  3. Step 3: Cross multiply
    591,496.72x = 886,406.36 × 457,754.40
  4. Step 4: Simplify right side
    591,496.72x = 405,756,411,477.98
  5. Step 5: Solve for x
    x = 405,756,411,477.98/591,496.72
  6. Step 6: Final answer
    x = 685,982.52

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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.