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Finding the Fourth Proportional to 603,316.35, 905,484.83 and 248,584.95

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Solution

The fourth proportional to 603,316.35, 905,484.83 and 248,584.95 is: 373,087.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,316.35 : 905,484.83 = 248,584.95 : x
  2. Step 2: Convert to fraction form
    603,316.35/905,484.83 = 248,584.95/x
  3. Step 3: Cross multiply
    603,316.35x = 905,484.83 × 248,584.95
  4. Step 4: Simplify right side
    603,316.35x = 225,089,899,948.38
  5. Step 5: Solve for x
    x = 225,089,899,948.38/603,316.35
  6. Step 6: Final answer
    x = 373,087.68

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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.