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Finding the Fourth Proportional to 503,907.28, 695,371.23 and 274,465.46

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Solution

The fourth proportional to 503,907.28, 695,371.23 and 274,465.46 is: 378,751.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,907.28 : 695,371.23 = 274,465.46 : x
  2. Step 2: Convert to fraction form
    503,907.28/695,371.23 = 274,465.46/x
  3. Step 3: Cross multiply
    503,907.28x = 695,371.23 × 274,465.46
  4. Step 4: Simplify right side
    503,907.28x = 190,855,386,251.14
  5. Step 5: Solve for x
    x = 190,855,386,251.14/503,907.28
  6. Step 6: Final answer
    x = 378,751.00

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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.