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Finding the Fourth Proportional to 363,477.60, 543,920.40 and 230,421.60

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Solution

The fourth proportional to 363,477.60, 543,920.40 and 230,421.60 is: 344,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,477.60 : 543,920.40 = 230,421.60 : x
  2. Step 2: Convert to fraction form
    363,477.60/543,920.40 = 230,421.60/x
  3. Step 3: Cross multiply
    363,477.60x = 543,920.40 × 230,421.60
  4. Step 4: Simplify right side
    363,477.60x = 125,331,008,840.64
  5. Step 5: Solve for x
    x = 125,331,008,840.64/363,477.60
  6. Step 6: Final answer
    x = 344,810.82

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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.