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Finding the Fourth Proportional to 626,464.82, 864,473.55 and 368,352.24

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Solution

The fourth proportional to 626,464.82, 864,473.55 and 368,352.24 is: 508,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,464.82 : 864,473.55 = 368,352.24 : x
  2. Step 2: Convert to fraction form
    626,464.82/864,473.55 = 368,352.24/x
  3. Step 3: Cross multiply
    626,464.82x = 864,473.55 × 368,352.24
  4. Step 4: Simplify right side
    626,464.82x = 318,430,768,563.25
  5. Step 5: Solve for x
    x = 318,430,768,563.25/626,464.82
  6. Step 6: Final answer
    x = 508,297.93

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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.