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Finding the Fourth Proportional to 303,965.41, 456,026.90 and 161,693.52

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Solution

The fourth proportional to 303,965.41, 456,026.90 and 161,693.52 is: 242,582.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,965.41 : 456,026.90 = 161,693.52 : x
  2. Step 2: Convert to fraction form
    303,965.41/456,026.90 = 161,693.52/x
  3. Step 3: Cross multiply
    303,965.41x = 456,026.90 × 161,693.52
  4. Step 4: Simplify right side
    303,965.41x = 73,736,594,675.69
  5. Step 5: Solve for x
    x = 73,736,594,675.69/303,965.41
  6. Step 6: Final answer
    x = 242,582.19

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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.