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Finding the Fourth Proportional to 476,759.95, 658,511.55 and 356,436.07

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Solution

The fourth proportional to 476,759.95, 658,511.55 and 356,436.07 is: 492,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,759.95 : 658,511.55 = 356,436.07 : x
  2. Step 2: Convert to fraction form
    476,759.95/658,511.55 = 356,436.07/x
  3. Step 3: Cross multiply
    476,759.95x = 658,511.55 × 356,436.07
  4. Step 4: Simplify right side
    476,759.95x = 234,717,267,285.33
  5. Step 5: Solve for x
    x = 234,717,267,285.33/476,759.95
  6. Step 6: Final answer
    x = 492,317.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.