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Finding the Fourth Proportional to 303,941.18, 456,043 and 163,671.86

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Solution

The fourth proportional to 303,941.18, 456,043 and 163,671.86 is: 245,578.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,941.18 : 456,043 = 163,671.86 : x
  2. Step 2: Convert to fraction form
    303,941.18/456,043 = 163,671.86/x
  3. Step 3: Cross multiply
    303,941.18x = 456,043 × 163,671.86
  4. Step 4: Simplify right side
    303,941.18x = 74,641,406,049.98
  5. Step 5: Solve for x
    x = 74,641,406,049.98/303,941.18
  6. Step 6: Final answer
    x = 245,578.46

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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.