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Finding the Fourth Proportional to 303,312.77, 454,969.15 and 103,634.81

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Solution

The fourth proportional to 303,312.77, 454,969.15 and 103,634.81 is: 155,452.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,312.77 : 454,969.15 = 103,634.81 : x
  2. Step 2: Convert to fraction form
    303,312.77/454,969.15 = 103,634.81/x
  3. Step 3: Cross multiply
    303,312.77x = 454,969.15 × 103,634.81
  4. Step 4: Simplify right side
    303,312.77x = 47,150,641,416.11
  5. Step 5: Solve for x
    x = 47,150,641,416.11/303,312.77
  6. Step 6: Final answer
    x = 155,452.21

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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.