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Finding the Fourth Proportional to 508,523.72, 701,716.28 and 301,756.46

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Solution

The fourth proportional to 508,523.72, 701,716.28 and 301,756.46 is: 416,396.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,523.72 : 701,716.28 = 301,756.46 : x
  2. Step 2: Convert to fraction form
    508,523.72/701,716.28 = 301,756.46/x
  3. Step 3: Cross multiply
    508,523.72x = 701,716.28 × 301,756.46
  4. Step 4: Simplify right side
    508,523.72x = 211,747,415,559.81
  5. Step 5: Solve for x
    x = 211,747,415,559.81/508,523.72
  6. Step 6: Final answer
    x = 416,396.34

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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.