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Finding the Fourth Proportional to 504,501.40, 696,228.74 and 300,524.48

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Solution

The fourth proportional to 504,501.40, 696,228.74 and 300,524.48 is: 414,733.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,501.40 : 696,228.74 = 300,524.48 : x
  2. Step 2: Convert to fraction form
    504,501.40/696,228.74 = 300,524.48/x
  3. Step 3: Cross multiply
    504,501.40x = 696,228.74 × 300,524.48
  4. Step 4: Simplify right side
    504,501.40x = 209,233,780,049.56
  5. Step 5: Solve for x
    x = 209,233,780,049.56/504,501.40
  6. Step 6: Final answer
    x = 414,733.79

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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.