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Finding the Fourth Proportional to 503,927.82, 695,424.52 and 274,486.01

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Solution

The fourth proportional to 503,927.82, 695,424.52 and 274,486.01 is: 378,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,927.82 : 695,424.52 = 274,486.01 : x
  2. Step 2: Convert to fraction form
    503,927.82/695,424.52 = 274,486.01/x
  3. Step 3: Cross multiply
    503,927.82x = 695,424.52 × 274,486.01
  4. Step 4: Simplify right side
    503,927.82x = 190,884,300,195.47
  5. Step 5: Solve for x
    x = 190,884,300,195.47/503,927.82
  6. Step 6: Final answer
    x = 378,792.94

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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.