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Finding the Fourth Proportional to 303,146.91, 454,595.22 and 103,483.38

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Solution

The fourth proportional to 303,146.91, 454,595.22 and 103,483.38 is: 155,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,146.91 : 454,595.22 = 103,483.38 : x
  2. Step 2: Convert to fraction form
    303,146.91/454,595.22 = 103,483.38/x
  3. Step 3: Cross multiply
    303,146.91x = 454,595.22 × 103,483.38
  4. Step 4: Simplify right side
    303,146.91x = 47,043,049,897.44
  5. Step 5: Solve for x
    x = 47,043,049,897.44/303,146.91
  6. Step 6: Final answer
    x = 155,182.35

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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.