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Finding the Fourth Proportional to 695,392.16, 959,476.60 and 393,586.16

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Solution

The fourth proportional to 695,392.16, 959,476.60 and 393,586.16 is: 543,055.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,392.16 : 959,476.60 = 393,586.16 : x
  2. Step 2: Convert to fraction form
    695,392.16/959,476.60 = 393,586.16/x
  3. Step 3: Cross multiply
    695,392.16x = 959,476.60 × 393,586.16
  4. Step 4: Simplify right side
    695,392.16x = 377,636,710,603.86
  5. Step 5: Solve for x
    x = 377,636,710,603.86/695,392.16
  6. Step 6: Final answer
    x = 543,055.75

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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.