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Finding the Fourth Proportional to 607,643.24, 838,564.52 and 335,728.67

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Solution

The fourth proportional to 607,643.24, 838,564.52 and 335,728.67 is: 463,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,643.24 : 838,564.52 = 335,728.67 : x
  2. Step 2: Convert to fraction form
    607,643.24/838,564.52 = 335,728.67/x
  3. Step 3: Cross multiply
    607,643.24x = 838,564.52 × 335,728.67
  4. Step 4: Simplify right side
    607,643.24x = 281,530,145,137.32
  5. Step 5: Solve for x
    x = 281,530,145,137.32/607,643.24
  6. Step 6: Final answer
    x = 463,314.87

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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.