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Finding the Fourth Proportional to 303,476.80, 454,340.40 and 303,476.80

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Solution

The fourth proportional to 303,476.80, 454,340.40 and 303,476.80 is: 454,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,476.80 : 454,340.40 = 303,476.80 : x
  2. Step 2: Convert to fraction form
    303,476.80/454,340.40 = 303,476.80/x
  3. Step 3: Cross multiply
    303,476.80x = 454,340.40 × 303,476.80
  4. Step 4: Simplify right side
    303,476.80x = 137,881,770,702.72
  5. Step 5: Solve for x
    x = 137,881,770,702.72/303,476.80
  6. Step 6: Final answer
    x = 454,340.40

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1.5x scale

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.