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Finding the Fourth Proportional to 620,027.03, 929,804.48 and 367,378.82

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Solution

The fourth proportional to 620,027.03, 929,804.48 and 367,378.82 is: 550,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,027.03 : 929,804.48 = 367,378.82 : x
  2. Step 2: Convert to fraction form
    620,027.03/929,804.48 = 367,378.82/x
  3. Step 3: Cross multiply
    620,027.03x = 929,804.48 × 367,378.82
  4. Step 4: Simplify right side
    620,027.03x = 341,590,470,856.22
  5. Step 5: Solve for x
    x = 341,590,470,856.22/620,027.03
  6. Step 6: Final answer
    x = 550,928.35

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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.