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Finding the Fourth Proportional to 303,234.70, 454,852.02 and 170,208.40

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Solution

The fourth proportional to 303,234.70, 454,852.02 and 170,208.40 is: 255,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,234.70 : 454,852.02 = 170,208.40 : x
  2. Step 2: Convert to fraction form
    303,234.70/454,852.02 = 170,208.40/x
  3. Step 3: Cross multiply
    303,234.70x = 454,852.02 × 170,208.40
  4. Step 4: Simplify right side
    303,234.70x = 77,419,634,560.97
  5. Step 5: Solve for x
    x = 77,419,634,560.97/303,234.70
  6. Step 6: Final answer
    x = 255,312.58

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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.