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Finding the Fourth Proportional to 303,325.32, 454,988.13 and 103,647.66

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Solution

The fourth proportional to 303,325.32, 454,988.13 and 103,647.66 is: 155,471.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,325.32 : 454,988.13 = 103,647.66 : x
  2. Step 2: Convert to fraction form
    303,325.32/454,988.13 = 103,647.66/x
  3. Step 3: Cross multiply
    303,325.32x = 454,988.13 × 103,647.66
  4. Step 4: Simplify right side
    303,325.32x = 47,158,455,002.28
  5. Step 5: Solve for x
    x = 47,158,455,002.28/303,325.32
  6. Step 6: Final answer
    x = 155,471.54

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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.