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Finding the Fourth Proportional to 504,322.23, 695,958.56 and 274,878.81

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Solution

The fourth proportional to 504,322.23, 695,958.56 and 274,878.81 is: 379,329.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,322.23 : 695,958.56 = 274,878.81 : x
  2. Step 2: Convert to fraction form
    504,322.23/695,958.56 = 274,878.81/x
  3. Step 3: Cross multiply
    504,322.23x = 695,958.56 × 274,878.81
  4. Step 4: Simplify right side
    504,322.23x = 191,304,259,407.72
  5. Step 5: Solve for x
    x = 191,304,259,407.72/504,322.23
  6. Step 6: Final answer
    x = 379,329.42

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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.