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Finding the Fourth Proportional to 503,656.38, 695,050.47 and 277,309.98

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Solution

The fourth proportional to 503,656.38, 695,050.47 and 277,309.98 is: 382,690.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,656.38 : 695,050.47 = 277,309.98 : x
  2. Step 2: Convert to fraction form
    503,656.38/695,050.47 = 277,309.98/x
  3. Step 3: Cross multiply
    503,656.38x = 695,050.47 × 277,309.98
  4. Step 4: Simplify right side
    503,656.38x = 192,744,431,934.69
  5. Step 5: Solve for x
    x = 192,744,431,934.69/503,656.38
  6. Step 6: Final answer
    x = 382,690.34

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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.