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Finding the Fourth Proportional to 294,756.36, 406,746 and 173,935.50

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Solution

The fourth proportional to 294,756.36, 406,746 and 173,935.50 is: 240,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,756.36 : 406,746 = 173,935.50 : x
  2. Step 2: Convert to fraction form
    294,756.36/406,746 = 173,935.50/x
  3. Step 3: Cross multiply
    294,756.36x = 406,746 × 173,935.50
  4. Step 4: Simplify right side
    294,756.36x = 70,747,568,883
  5. Step 5: Solve for x
    x = 70,747,568,883/294,756.36
  6. Step 6: Final answer
    x = 240,020.50

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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.