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Finding the Fourth Proportional to 346,480.74, 519,739.73 and 109,841.87

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Solution

The fourth proportional to 346,480.74, 519,739.73 and 109,841.87 is: 164,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,480.74 : 519,739.73 = 109,841.87 : x
  2. Step 2: Convert to fraction form
    346,480.74/519,739.73 = 109,841.87/x
  3. Step 3: Cross multiply
    346,480.74x = 519,739.73 × 109,841.87
  4. Step 4: Simplify right side
    346,480.74x = 57,089,181,257.80
  5. Step 5: Solve for x
    x = 57,089,181,257.80/346,480.74
  6. Step 6: Final answer
    x = 164,768.70

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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.