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Finding the Fourth Proportional to 383,840.47, 575,593.49 and 203,886.52

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Solution

The fourth proportional to 383,840.47, 575,593.49 and 203,886.52 is: 305,740.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,840.47 : 575,593.49 = 203,886.52 : x
  2. Step 2: Convert to fraction form
    383,840.47/575,593.49 = 203,886.52/x
  3. Step 3: Cross multiply
    383,840.47x = 575,593.49 × 203,886.52
  4. Step 4: Simplify right side
    383,840.47x = 117,355,752,681.49
  5. Step 5: Solve for x
    x = 117,355,752,681.49/383,840.47
  6. Step 6: Final answer
    x = 305,740.96

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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.