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Finding the Fourth Proportional to 503,903.97, 695,387.44 and 277,549.47

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Solution

The fourth proportional to 503,903.97, 695,387.44 and 277,549.47 is: 383,018.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,903.97 : 695,387.44 = 277,549.47 : x
  2. Step 2: Convert to fraction form
    503,903.97/695,387.44 = 277,549.47/x
  3. Step 3: Cross multiply
    503,903.97x = 695,387.44 × 277,549.47
  4. Step 4: Simplify right side
    503,903.97x = 193,004,415,416.66
  5. Step 5: Solve for x
    x = 193,004,415,416.66/503,903.97
  6. Step 6: Final answer
    x = 383,018.25

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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.