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Finding the Fourth Proportional to 303,312.70, 454,969.05 and 134,832.70

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Solution

The fourth proportional to 303,312.70, 454,969.05 and 134,832.70 is: 202,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,312.70 : 454,969.05 = 134,832.70 : x
  2. Step 2: Convert to fraction form
    303,312.70/454,969.05 = 134,832.70/x
  3. Step 3: Cross multiply
    303,312.70x = 454,969.05 × 134,832.70
  4. Step 4: Simplify right side
    303,312.70x = 61,344,705,427.94
  5. Step 5: Solve for x
    x = 61,344,705,427.94/303,312.70
  6. Step 6: Final answer
    x = 202,249.05

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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.