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Finding the Fourth Proportional to 303,622.82, 419,012.96 and 174,603.18

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Solution

The fourth proportional to 303,622.82, 419,012.96 and 174,603.18 is: 240,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,622.82 : 419,012.96 = 174,603.18 : x
  2. Step 2: Convert to fraction form
    303,622.82/419,012.96 = 174,603.18/x
  3. Step 3: Cross multiply
    303,622.82x = 419,012.96 × 174,603.18
  4. Step 4: Simplify right side
    303,622.82x = 73,160,995,277.21
  5. Step 5: Solve for x
    x = 73,160,995,277.21/303,622.82
  6. Step 6: Final answer
    x = 240,960.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.