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Finding the Fourth Proportional to 480,894.02, 663,628.73 and 263,100.63

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Solution

The fourth proportional to 480,894.02, 663,628.73 and 263,100.63 is: 363,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,894.02 : 663,628.73 = 263,100.63 : x
  2. Step 2: Convert to fraction form
    480,894.02/663,628.73 = 263,100.63/x
  3. Step 3: Cross multiply
    480,894.02x = 663,628.73 × 263,100.63
  4. Step 4: Simplify right side
    480,894.02x = 174,601,135,633.60
  5. Step 5: Solve for x
    x = 174,601,135,633.60/480,894.02
  6. Step 6: Final answer
    x = 363,076.13

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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.