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Finding the Fourth Proportional to 303,950.60, 455,269.80 and 197,662.40

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Solution

The fourth proportional to 303,950.60, 455,269.80 and 197,662.40 is: 296,066.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,950.60 : 455,269.80 = 197,662.40 : x
  2. Step 2: Convert to fraction form
    303,950.60/455,269.80 = 197,662.40/x
  3. Step 3: Cross multiply
    303,950.60x = 455,269.80 × 197,662.40
  4. Step 4: Simplify right side
    303,950.60x = 89,989,721,315.52
  5. Step 5: Solve for x
    x = 89,989,721,315.52/303,950.60
  6. Step 6: Final answer
    x = 296,066.93

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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.