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Finding the Fourth Proportional to 298,704.51, 448,060.41 and 88,346.70

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Solution

The fourth proportional to 298,704.51, 448,060.41 and 88,346.70 is: 132,521.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,704.51 : 448,060.41 = 88,346.70 : x
  2. Step 2: Convert to fraction form
    298,704.51/448,060.41 = 88,346.70/x
  3. Step 3: Cross multiply
    298,704.51x = 448,060.41 × 88,346.70
  4. Step 4: Simplify right side
    298,704.51x = 39,584,658,624.15
  5. Step 5: Solve for x
    x = 39,584,658,624.15/298,704.51
  6. Step 6: Final answer
    x = 132,521.13

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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.