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Finding the Fourth Proportional to 294,812.71, 406,790.53 and 173,944.87

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Solution

The fourth proportional to 294,812.71, 406,790.53 and 173,944.87 is: 240,013.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,812.71 : 406,790.53 = 173,944.87 : x
  2. Step 2: Convert to fraction form
    294,812.71/406,790.53 = 173,944.87/x
  3. Step 3: Cross multiply
    294,812.71x = 406,790.53 × 173,944.87
  4. Step 4: Simplify right side
    294,812.71x = 70,759,125,858.08
  5. Step 5: Solve for x
    x = 70,759,125,858.08/294,812.71
  6. Step 6: Final answer
    x = 240,013.82

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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.