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Finding the Fourth Proportional to 303,618.60, 455,039.10 and 233,148.60

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Solution

The fourth proportional to 303,618.60, 455,039.10 and 233,148.60 is: 349,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,618.60 : 455,039.10 = 233,148.60 : x
  2. Step 2: Convert to fraction form
    303,618.60/455,039.10 = 233,148.60/x
  3. Step 3: Cross multiply
    303,618.60x = 455,039.10 × 233,148.60
  4. Step 4: Simplify right side
    303,618.60x = 106,091,729,110.26
  5. Step 5: Solve for x
    x = 106,091,729,110.26/303,618.60
  6. Step 6: Final answer
    x = 349,424.34

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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.