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Finding the Fourth Proportional to 480,893.51, 663,628.04 and 263,100.13

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Solution

The fourth proportional to 480,893.51, 663,628.04 and 263,100.13 is: 363,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,893.51 : 663,628.04 = 263,100.13 : x
  2. Step 2: Convert to fraction form
    480,893.51/663,628.04 = 263,100.13/x
  3. Step 3: Cross multiply
    480,893.51x = 663,628.04 × 263,100.13
  4. Step 4: Simplify right side
    480,893.51x = 174,600,620,621.07
  5. Step 5: Solve for x
    x = 174,600,620,621.07/480,893.51
  6. Step 6: Final answer
    x = 363,075.43

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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.