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Finding the Fourth Proportional to 329,315.34, 454,430.06 and 200,235.89

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Solution

The fourth proportional to 329,315.34, 454,430.06 and 200,235.89 is: 276,310.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,315.34 : 454,430.06 = 200,235.89 : x
  2. Step 2: Convert to fraction form
    329,315.34/454,430.06 = 200,235.89/x
  3. Step 3: Cross multiply
    329,315.34x = 454,430.06 × 200,235.89
  4. Step 4: Simplify right side
    329,315.34x = 90,993,205,234.70
  5. Step 5: Solve for x
    x = 90,993,205,234.70/329,315.34
  6. Step 6: Final answer
    x = 276,310.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.