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Finding the Fourth Proportional to 329,117.70, 493,676.55 and 303,456.90

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Solution

The fourth proportional to 329,117.70, 493,676.55 and 303,456.90 is: 455,185.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,117.70 : 493,676.55 = 303,456.90 : x
  2. Step 2: Convert to fraction form
    329,117.70/493,676.55 = 303,456.90/x
  3. Step 3: Cross multiply
    329,117.70x = 493,676.55 × 303,456.90
  4. Step 4: Simplify right side
    329,117.70x = 149,809,555,465.70
  5. Step 5: Solve for x
    x = 149,809,555,465.70/329,117.70
  6. Step 6: Final answer
    x = 455,185.35

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1.5x scale

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.