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Finding the Fourth Proportional to 353,313.60, 495,883.20 and 353,313.60

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Solution

The fourth proportional to 353,313.60, 495,883.20 and 353,313.60 is: 495,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,313.60 : 495,883.20 = 353,313.60 : x
  2. Step 2: Convert to fraction form
    353,313.60/495,883.20 = 353,313.60/x
  3. Step 3: Cross multiply
    353,313.60x = 495,883.20 × 353,313.60
  4. Step 4: Simplify right side
    353,313.60x = 175,202,278,571.52
  5. Step 5: Solve for x
    x = 175,202,278,571.52/353,313.60
  6. Step 6: Final answer
    x = 495,883.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.