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Finding the Fourth Proportional to 353,812.64, 488,261.50 and 192,667.64

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Solution

The fourth proportional to 353,812.64, 488,261.50 and 192,667.64 is: 265,881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,812.64 : 488,261.50 = 192,667.64 : x
  2. Step 2: Convert to fraction form
    353,812.64/488,261.50 = 192,667.64/x
  3. Step 3: Cross multiply
    353,812.64x = 488,261.50 × 192,667.64
  4. Step 4: Simplify right side
    353,812.64x = 94,072,190,907.86
  5. Step 5: Solve for x
    x = 94,072,190,907.86/353,812.64
  6. Step 6: Final answer
    x = 265,881.37

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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.