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Finding the Fourth Proportional to 535,344.26, 738,778.70 and 293,628.51

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Solution

The fourth proportional to 535,344.26, 738,778.70 and 293,628.51 is: 405,209.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,344.26 : 738,778.70 = 293,628.51 : x
  2. Step 2: Convert to fraction form
    535,344.26/738,778.70 = 293,628.51/x
  3. Step 3: Cross multiply
    535,344.26x = 738,778.70 × 293,628.51
  4. Step 4: Simplify right side
    535,344.26x = 216,926,489,634.81
  5. Step 5: Solve for x
    x = 216,926,489,634.81/535,344.26
  6. Step 6: Final answer
    x = 405,209.34

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Similar ratio
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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.