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Finding the Fourth Proportional to 342,914.49, 473,225.81 and 189,955.04

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Solution

The fourth proportional to 342,914.49, 473,225.81 and 189,955.04 is: 262,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,914.49 : 473,225.81 = 189,955.04 : x
  2. Step 2: Convert to fraction form
    342,914.49/473,225.81 = 189,955.04/x
  3. Step 3: Cross multiply
    342,914.49x = 473,225.81 × 189,955.04
  4. Step 4: Simplify right side
    342,914.49x = 89,891,624,351.68
  5. Step 5: Solve for x
    x = 89,891,624,351.68/342,914.49
  6. Step 6: Final answer
    x = 262,140.06

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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.