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Finding the Fourth Proportional to 662,289.48, 992,651.94 and 283,099.32

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Solution

The fourth proportional to 662,289.48, 992,651.94 and 283,099.32 is: 424,314.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,289.48 : 992,651.94 = 283,099.32 : x
  2. Step 2: Convert to fraction form
    662,289.48/992,651.94 = 283,099.32/x
  3. Step 3: Cross multiply
    662,289.48x = 992,651.94 × 283,099.32
  4. Step 4: Simplify right side
    662,289.48x = 281,019,089,210.68
  5. Step 5: Solve for x
    x = 281,019,089,210.68/662,289.48
  6. Step 6: Final answer
    x = 424,314.59

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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.