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Finding the Fourth Proportional to 702,808.24, 969,873.96 and 380,518.60

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Solution

The fourth proportional to 702,808.24, 969,873.96 and 380,518.60 is: 525,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,808.24 : 969,873.96 = 380,518.60 : x
  2. Step 2: Convert to fraction form
    702,808.24/969,873.96 = 380,518.60/x
  3. Step 3: Cross multiply
    702,808.24x = 969,873.96 × 380,518.60
  4. Step 4: Simplify right side
    702,808.24x = 369,055,081,435.66
  5. Step 5: Solve for x
    x = 369,055,081,435.66/702,808.24
  6. Step 6: Final answer
    x = 525,114.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.