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Finding the Fourth Proportional to 303,425.40, 454,700.70 and 134,807.70

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Solution

The fourth proportional to 303,425.40, 454,700.70 and 134,807.70 is: 202,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,425.40 : 454,700.70 = 134,807.70 : x
  2. Step 2: Convert to fraction form
    303,425.40/454,700.70 = 134,807.70/x
  3. Step 3: Cross multiply
    303,425.40x = 454,700.70 × 134,807.70
  4. Step 4: Simplify right side
    303,425.40x = 61,297,155,555.39
  5. Step 5: Solve for x
    x = 61,297,155,555.39/303,425.40
  6. Step 6: Final answer
    x = 202,017.22

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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.