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Finding the Fourth Proportional to 554,603.01, 764,999.87 and 363,628.77

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Solution

The fourth proportional to 554,603.01, 764,999.87 and 363,628.77 is: 501,576.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,603.01 : 764,999.87 = 363,628.77 : x
  2. Step 2: Convert to fraction form
    554,603.01/764,999.87 = 363,628.77/x
  3. Step 3: Cross multiply
    554,603.01x = 764,999.87 × 363,628.77
  4. Step 4: Simplify right side
    554,603.01x = 278,175,959,960.12
  5. Step 5: Solve for x
    x = 278,175,959,960.12/554,603.01
  6. Step 6: Final answer
    x = 501,576.72

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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.