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Finding the Fourth Proportional to 303,544.43, 418,946.16 and 181,044.67

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Solution

The fourth proportional to 303,544.43, 418,946.16 and 181,044.67 is: 249,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,544.43 : 418,946.16 = 181,044.67 : x
  2. Step 2: Convert to fraction form
    303,544.43/418,946.16 = 181,044.67/x
  3. Step 3: Cross multiply
    303,544.43x = 418,946.16 × 181,044.67
  4. Step 4: Simplify right side
    303,544.43x = 75,847,968,683.67
  5. Step 5: Solve for x
    x = 75,847,968,683.67/303,544.43
  6. Step 6: Final answer
    x = 249,874.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.