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Finding the Fourth Proportional to 303,480.30, 454,345.65 and 303,480.30

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Solution

The fourth proportional to 303,480.30, 454,345.65 and 303,480.30 is: 454,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,480.30 : 454,345.65 = 303,480.30 : x
  2. Step 2: Convert to fraction form
    303,480.30/454,345.65 = 303,480.30/x
  3. Step 3: Cross multiply
    303,480.30x = 454,345.65 × 303,480.30
  4. Step 4: Simplify right side
    303,480.30x = 137,884,954,165.70
  5. Step 5: Solve for x
    x = 137,884,954,165.70/303,480.30
  6. Step 6: Final answer
    x = 454,345.65

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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.