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Finding the Fourth Proportional to 352,698,363.60, 528,984,559.80 and 223,073,998.80

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Solution

The fourth proportional to 352,698,363.60, 528,984,559.80 and 223,073,998.80 is: 334,571,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,698,363.60 : 528,984,559.80 = 223,073,998.80 : x
  2. Step 2: Convert to fraction form
    352,698,363.60/528,984,559.80 = 223,073,998.80/x
  3. Step 3: Cross multiply
    352,698,363.60x = 528,984,559.80 × 223,073,998.80
  4. Step 4: Simplify right side
    352,698,363.60x = 118,002,701,058,043,744
  5. Step 5: Solve for x
    x = 118,002,701,058,043,744/352,698,363.60
  6. Step 6: Final answer
    x = 334,571,161.19

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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.