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Finding the Fourth Proportional to 303,347.35, 454,977.82 and 103,676.95

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Solution

The fourth proportional to 303,347.35, 454,977.82 and 103,676.95 is: 155,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,347.35 : 454,977.82 = 103,676.95 : x
  2. Step 2: Convert to fraction form
    303,347.35/454,977.82 = 103,676.95/x
  3. Step 3: Cross multiply
    303,347.35x = 454,977.82 × 103,676.95
  4. Step 4: Simplify right side
    303,347.35x = 47,170,712,695.25
  5. Step 5: Solve for x
    x = 47,170,712,695.25/303,347.35
  6. Step 6: Final answer
    x = 155,500.66

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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.