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Finding the Fourth Proportional to 303,392,708.80, 455,089,063.20 and 303,392,708.80

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Solution

The fourth proportional to 303,392,708.80, 455,089,063.20 and 303,392,708.80 is: 455,089,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,392,708.80 : 455,089,063.20 = 303,392,708.80 : x
  2. Step 2: Convert to fraction form
    303,392,708.80/455,089,063.20 = 303,392,708.80/x
  3. Step 3: Cross multiply
    303,392,708.80x = 455,089,063.20 × 303,392,708.80
  4. Step 4: Simplify right side
    303,392,708.80x = 138,070,703,629,502,400
  5. Step 5: Solve for x
    x = 138,070,703,629,502,400/303,392,708.80
  6. Step 6: Final answer
    x = 455,089,063.20

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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.