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Finding the Fourth Proportional to 607,857.18, 838,859.67 and 335,942.70

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Solution

The fourth proportional to 607,857.18, 838,859.67 and 335,942.70 is: 463,610.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,857.18 : 838,859.67 = 335,942.70 : x
  2. Step 2: Convert to fraction form
    607,857.18/838,859.67 = 335,942.70/x
  3. Step 3: Cross multiply
    607,857.18x = 838,859.67 × 335,942.70
  4. Step 4: Simplify right side
    607,857.18x = 281,808,782,460.91
  5. Step 5: Solve for x
    x = 281,808,782,460.91/607,857.18
  6. Step 6: Final answer
    x = 463,610.19

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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.