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Finding the Fourth Proportional to 737,661.60, 1,106,233.20 and 338,493.60

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Solution

The fourth proportional to 737,661.60, 1,106,233.20 and 338,493.60 is: 507,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,661.60 : 1,106,233.20 = 338,493.60 : x
  2. Step 2: Convert to fraction form
    737,661.60/1,106,233.20 = 338,493.60/x
  3. Step 3: Cross multiply
    737,661.60x = 1,106,233.20 × 338,493.60
  4. Step 4: Simplify right side
    737,661.60x = 374,452,858,307.52
  5. Step 5: Solve for x
    x = 374,452,858,307.52/737,661.60
  6. Step 6: Final answer
    x = 507,621.46

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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.