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Finding the Fourth Proportional to 504,232.09, 695,840.40 and 274,789.42

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Solution

The fourth proportional to 504,232.09, 695,840.40 and 274,789.42 is: 379,209.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,232.09 : 695,840.40 = 274,789.42 : x
  2. Step 2: Convert to fraction form
    504,232.09/695,840.40 = 274,789.42/x
  3. Step 3: Cross multiply
    504,232.09x = 695,840.40 × 274,789.42
  4. Step 4: Simplify right side
    504,232.09x = 191,209,579,928.57
  5. Step 5: Solve for x
    x = 191,209,579,928.57/504,232.09
  6. Step 6: Final answer
    x = 379,209.46

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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.