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Finding the Fourth Proportional to 364,738.48, 545,986.64 and 310,930.07

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Solution

The fourth proportional to 364,738.48, 545,986.64 and 310,930.07 is: 465,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,738.48 : 545,986.64 = 310,930.07 : x
  2. Step 2: Convert to fraction form
    364,738.48/545,986.64 = 310,930.07/x
  3. Step 3: Cross multiply
    364,738.48x = 545,986.64 × 310,930.07
  4. Step 4: Simplify right side
    364,738.48x = 169,763,662,241.66
  5. Step 5: Solve for x
    x = 169,763,662,241.66/364,738.48
  6. Step 6: Final answer
    x = 465,439.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.