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Finding the Fourth Proportional to 317,907.54, 438,712.04 and 174,667.22

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Solution

The fourth proportional to 317,907.54, 438,712.04 and 174,667.22 is: 241,040.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,907.54 : 438,712.04 = 174,667.22 : x
  2. Step 2: Convert to fraction form
    317,907.54/438,712.04 = 174,667.22/x
  3. Step 3: Cross multiply
    317,907.54x = 438,712.04 × 174,667.22
  4. Step 4: Simplify right side
    317,907.54x = 76,628,612,407.33
  5. Step 5: Solve for x
    x = 76,628,612,407.33/317,907.54
  6. Step 6: Final answer
    x = 241,040.56

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1.5x scale

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.