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Finding the Fourth Proportional to 298,818.56, 448,315.63 and 88,461.97

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Solution

The fourth proportional to 298,818.56, 448,315.63 and 88,461.97 is: 132,718.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,818.56 : 448,315.63 = 88,461.97 : x
  2. Step 2: Convert to fraction form
    298,818.56/448,315.63 = 88,461.97/x
  3. Step 3: Cross multiply
    298,818.56x = 448,315.63 × 88,461.97
  4. Step 4: Simplify right side
    298,818.56x = 39,658,882,469.65
  5. Step 5: Solve for x
    x = 39,658,882,469.65/298,818.56
  6. Step 6: Final answer
    x = 132,718.94

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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.