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Finding the Fourth Proportional to 614,626.56, 922,063.74 and 259,640.01

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Solution

The fourth proportional to 614,626.56, 922,063.74 and 259,640.01 is: 389,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,626.56 : 922,063.74 = 259,640.01 : x
  2. Step 2: Convert to fraction form
    614,626.56/922,063.74 = 259,640.01/x
  3. Step 3: Cross multiply
    614,626.56x = 922,063.74 × 259,640.01
  4. Step 4: Simplify right side
    614,626.56x = 239,404,638,674.24
  5. Step 5: Solve for x
    x = 239,404,638,674.24/614,626.56
  6. Step 6: Final answer
    x = 389,512.35

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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.