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Finding the Fourth Proportional to 539,584.74, 744,716.98 and 515,669.22

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Solution

The fourth proportional to 539,584.74, 744,716.98 and 515,669.22 is: 711,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,584.74 : 744,716.98 = 515,669.22 : x
  2. Step 2: Convert to fraction form
    539,584.74/744,716.98 = 515,669.22/x
  3. Step 3: Cross multiply
    539,584.74x = 744,716.98 × 515,669.22
  4. Step 4: Simplify right side
    539,584.74x = 384,027,624,197.36
  5. Step 5: Solve for x
    x = 384,027,624,197.36/539,584.74
  6. Step 6: Final answer
    x = 711,709.57

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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.