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Finding the Fourth Proportional to 363,772,604.40, 545,658,906.60 and 104,996,266.80

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Solution

The fourth proportional to 363,772,604.40, 545,658,906.60 and 104,996,266.80 is: 157,494,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,772,604.40 : 545,658,906.60 = 104,996,266.80 : x
  2. Step 2: Convert to fraction form
    363,772,604.40/545,658,906.60 = 104,996,266.80/x
  3. Step 3: Cross multiply
    363,772,604.40x = 545,658,906.60 × 104,996,266.80
  4. Step 4: Simplify right side
    363,772,604.40x = 57,292,148,139,169,880
  5. Step 5: Solve for x
    x = 57,292,148,139,169,880/363,772,604.40
  6. Step 6: Final answer
    x = 157,494,400.20

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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.