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Finding the Fourth Proportional to 303,119,145.90, 454,678,718.85 and 303,119,145.90

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Solution

The fourth proportional to 303,119,145.90, 454,678,718.85 and 303,119,145.90 is: 454,678,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,119,145.90 : 454,678,718.85 = 303,119,145.90 : x
  2. Step 2: Convert to fraction form
    303,119,145.90/454,678,718.85 = 303,119,145.90/x
  3. Step 3: Cross multiply
    303,119,145.90x = 454,678,718.85 × 303,119,145.90
  4. Step 4: Simplify right side
    303,119,145.90x = 137,821,824,916,718,224
  5. Step 5: Solve for x
    x = 137,821,824,916,718,224/303,119,145.90
  6. Step 6: Final answer
    x = 454,678,718.85

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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.