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Finding the Fourth Proportional to 503,960.16, 695,466.88 and 277,605.12

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Solution

The fourth proportional to 503,960.16, 695,466.88 and 277,605.12 is: 383,096.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,960.16 : 695,466.88 = 277,605.12 : x
  2. Step 2: Convert to fraction form
    503,960.16/695,466.88 = 277,605.12/x
  3. Step 3: Cross multiply
    503,960.16x = 695,466.88 × 277,605.12
  4. Step 4: Simplify right side
    503,960.16x = 193,065,166,678.43
  5. Step 5: Solve for x
    x = 193,065,166,678.43/503,960.16
  6. Step 6: Final answer
    x = 383,096.09

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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.