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Finding the Fourth Proportional to 303,233.80, 455,225.10 and 190,913.80

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Solution

The fourth proportional to 303,233.80, 455,225.10 and 190,913.80 is: 286,606.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,233.80 : 455,225.10 = 190,913.80 : x
  2. Step 2: Convert to fraction form
    303,233.80/455,225.10 = 190,913.80/x
  3. Step 3: Cross multiply
    303,233.80x = 455,225.10 × 190,913.80
  4. Step 4: Simplify right side
    303,233.80x = 86,908,753,696.38
  5. Step 5: Solve for x
    x = 86,908,753,696.38/303,233.80
  6. Step 6: Final answer
    x = 286,606.42

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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.