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Finding the Fourth Proportional to 504,063.81, 695,605.91 and 274,620.38

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Solution

The fourth proportional to 504,063.81, 695,605.91 and 274,620.38 is: 378,974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,063.81 : 695,605.91 = 274,620.38 : x
  2. Step 2: Convert to fraction form
    504,063.81/695,605.91 = 274,620.38/x
  3. Step 3: Cross multiply
    504,063.81x = 695,605.91 × 274,620.38
  4. Step 4: Simplify right side
    504,063.81x = 191,027,554,483.31
  5. Step 5: Solve for x
    x = 191,027,554,483.31/504,063.81
  6. Step 6: Final answer
    x = 378,974.94

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1.5x scale

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.