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Finding the Fourth Proportional to 626,544.82, 864,651.16 and 368,374.94

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Solution

The fourth proportional to 626,544.82, 864,651.16 and 368,374.94 is: 508,368.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,544.82 : 864,651.16 = 368,374.94 : x
  2. Step 2: Convert to fraction form
    626,544.82/864,651.16 = 368,374.94/x
  3. Step 3: Cross multiply
    626,544.82x = 864,651.16 × 368,374.94
  4. Step 4: Simplify right side
    626,544.82x = 318,515,819,185.93
  5. Step 5: Solve for x
    x = 318,515,819,185.93/626,544.82
  6. Step 6: Final answer
    x = 508,368.77

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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.