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Finding the Fourth Proportional to 303,423.66, 455,194.08 and 116,420.58

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Solution

The fourth proportional to 303,423.66, 455,194.08 and 116,420.58 is: 174,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,423.66 : 455,194.08 = 116,420.58 : x
  2. Step 2: Convert to fraction form
    303,423.66/455,194.08 = 116,420.58/x
  3. Step 3: Cross multiply
    303,423.66x = 455,194.08 × 116,420.58
  4. Step 4: Simplify right side
    303,423.66x = 52,993,958,806.17
  5. Step 5: Solve for x
    x = 52,993,958,806.17/303,423.66
  6. Step 6: Final answer
    x = 174,653.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.