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Finding the Fourth Proportional to 303,472.80, 454,334.40 and 303,472.80

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Solution

The fourth proportional to 303,472.80, 454,334.40 and 303,472.80 is: 454,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,472.80 : 454,334.40 = 303,472.80 : x
  2. Step 2: Convert to fraction form
    303,472.80/454,334.40 = 303,472.80/x
  3. Step 3: Cross multiply
    303,472.80x = 454,334.40 × 303,472.80
  4. Step 4: Simplify right side
    303,472.80x = 137,878,132,504.32
  5. Step 5: Solve for x
    x = 137,878,132,504.32/303,472.80
  6. Step 6: Final answer
    x = 454,334.40

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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.