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Finding the Fourth Proportional to 458,720.86, 633,085.01 and 262,505.50

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Solution

The fourth proportional to 458,720.86, 633,085.01 and 262,505.50 is: 362,286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,720.86 : 633,085.01 = 262,505.50 : x
  2. Step 2: Convert to fraction form
    458,720.86/633,085.01 = 262,505.50/x
  3. Step 3: Cross multiply
    458,720.86x = 633,085.01 × 262,505.50
  4. Step 4: Simplify right side
    458,720.86x = 166,188,295,768.03
  5. Step 5: Solve for x
    x = 166,188,295,768.03/458,720.86
  6. Step 6: Final answer
    x = 362,286.33

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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.