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Finding the Fourth Proportional to 539,936.14, 810,736.56 and 456,788.86

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Solution

The fourth proportional to 539,936.14, 810,736.56 and 456,788.86 is: 685,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,936.14 : 810,736.56 = 456,788.86 : x
  2. Step 2: Convert to fraction form
    539,936.14/810,736.56 = 456,788.86/x
  3. Step 3: Cross multiply
    539,936.14x = 810,736.56 × 456,788.86
  4. Step 4: Simplify right side
    539,936.14x = 370,335,429,002.72
  5. Step 5: Solve for x
    x = 370,335,429,002.72/539,936.14
  6. Step 6: Final answer
    x = 685,887.46

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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.