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Finding the Fourth Proportional to 374,996.66, 562,378.32 and 125,620.34

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Solution

The fourth proportional to 374,996.66, 562,378.32 and 125,620.34 is: 188,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,996.66 : 562,378.32 = 125,620.34 : x
  2. Step 2: Convert to fraction form
    374,996.66/562,378.32 = 125,620.34/x
  3. Step 3: Cross multiply
    374,996.66x = 562,378.32 × 125,620.34
  4. Step 4: Simplify right side
    374,996.66x = 70,646,152,955.14
  5. Step 5: Solve for x
    x = 70,646,152,955.14/374,996.66
  6. Step 6: Final answer
    x = 188,391.42

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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.