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Finding the Fourth Proportional to 503,600.49, 695,018.88 and 376,054.65

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Solution

The fourth proportional to 503,600.49, 695,018.88 and 376,054.65 is: 518,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,600.49 : 695,018.88 = 376,054.65 : x
  2. Step 2: Convert to fraction form
    503,600.49/695,018.88 = 376,054.65/x
  3. Step 3: Cross multiply
    503,600.49x = 695,018.88 × 376,054.65
  4. Step 4: Simplify right side
    503,600.49x = 261,365,081,661.79
  5. Step 5: Solve for x
    x = 261,365,081,661.79/503,600.49
  6. Step 6: Final answer
    x = 518,992.91

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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.