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Finding the Fourth Proportional to 303,210.84, 454,969.62 and 202,077.90

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Solution

The fourth proportional to 303,210.84, 454,969.62 and 202,077.90 is: 303,219.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,210.84 : 454,969.62 = 202,077.90 : x
  2. Step 2: Convert to fraction form
    303,210.84/454,969.62 = 202,077.90/x
  3. Step 3: Cross multiply
    303,210.84x = 454,969.62 × 202,077.90
  4. Step 4: Simplify right side
    303,210.84x = 91,939,305,373.40
  5. Step 5: Solve for x
    x = 91,939,305,373.40/303,210.84
  6. Step 6: Final answer
    x = 303,219.06

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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.