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Finding the Fourth Proportional to 303,144.05, 454,532.92 and 120,802.90

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Solution

The fourth proportional to 303,144.05, 454,532.92 and 120,802.90 is: 181,131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,144.05 : 454,532.92 = 120,802.90 : x
  2. Step 2: Convert to fraction form
    303,144.05/454,532.92 = 120,802.90/x
  3. Step 3: Cross multiply
    303,144.05x = 454,532.92 × 120,802.90
  4. Step 4: Simplify right side
    303,144.05x = 54,908,894,881.47
  5. Step 5: Solve for x
    x = 54,908,894,881.47/303,144.05
  6. Step 6: Final answer
    x = 181,131.36

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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.