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Finding the Fourth Proportional to 539,934.14, 810,733.56 and 456,786.86

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Solution

The fourth proportional to 539,934.14, 810,733.56 and 456,786.86 is: 685,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,934.14 : 810,733.56 = 456,786.86 : x
  2. Step 2: Convert to fraction form
    539,934.14/810,733.56 = 456,786.86/x
  3. Step 3: Cross multiply
    539,934.14x = 810,733.56 × 456,786.86
  4. Step 4: Simplify right side
    539,934.14x = 370,332,437,169.02
  5. Step 5: Solve for x
    x = 370,332,437,169.02/539,934.14
  6. Step 6: Final answer
    x = 685,884.46

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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.