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Finding the Fourth Proportional to 569,903,563.20, 854,855,344.80 and 328,038,859.20

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Solution

The fourth proportional to 569,903,563.20, 854,855,344.80 and 328,038,859.20 is: 492,058,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,903,563.20 : 854,855,344.80 = 328,038,859.20 : x
  2. Step 2: Convert to fraction form
    569,903,563.20/854,855,344.80 = 328,038,859.20/x
  3. Step 3: Cross multiply
    569,903,563.20x = 854,855,344.80 × 328,038,859.20
  4. Step 4: Simplify right side
    569,903,563.20x = 280,425,772,089,214,624
  5. Step 5: Solve for x
    x = 280,425,772,089,214,624/569,903,563.20
  6. Step 6: Final answer
    x = 492,058,288.80

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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.