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Finding the Fourth Proportional to 354,287,233.60, 531,430,850.40 and 201,404,852.80

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Solution

The fourth proportional to 354,287,233.60, 531,430,850.40 and 201,404,852.80 is: 302,107,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,287,233.60 : 531,430,850.40 = 201,404,852.80 : x
  2. Step 2: Convert to fraction form
    354,287,233.60/531,430,850.40 = 201,404,852.80/x
  3. Step 3: Cross multiply
    354,287,233.60x = 531,430,850.40 × 201,404,852.80
  4. Step 4: Simplify right side
    354,287,233.60x = 107,032,752,198,190,816
  5. Step 5: Solve for x
    x = 107,032,752,198,190,816/354,287,233.60
  6. Step 6: Final answer
    x = 302,107,279.20

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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.