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Finding the Fourth Proportional to 379,362.60, 569,030.49 and 95,055.57

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Solution

The fourth proportional to 379,362.60, 569,030.49 and 95,055.57 is: 142,579.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,362.60 : 569,030.49 = 95,055.57 : x
  2. Step 2: Convert to fraction form
    379,362.60/569,030.49 = 95,055.57/x
  3. Step 3: Cross multiply
    379,362.60x = 569,030.49 × 95,055.57
  4. Step 4: Simplify right side
    379,362.60x = 54,089,517,574.33
  5. Step 5: Solve for x
    x = 54,089,517,574.33/379,362.60
  6. Step 6: Final answer
    x = 142,579.99

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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.