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Finding the Fourth Proportional to 503,657.38, 695,047.80 and 277,302.88

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Solution

The fourth proportional to 503,657.38, 695,047.80 and 277,302.88 is: 382,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,657.38 : 695,047.80 = 277,302.88 : x
  2. Step 2: Convert to fraction form
    503,657.38/695,047.80 = 277,302.88/x
  3. Step 3: Cross multiply
    503,657.38x = 695,047.80 × 277,302.88
  4. Step 4: Simplify right side
    503,657.38x = 192,738,756,677.66
  5. Step 5: Solve for x
    x = 192,738,756,677.66/503,657.38
  6. Step 6: Final answer
    x = 382,678.31

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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.