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Finding the Fourth Proportional to 535,293.43, 738,637.50 and 293,512.39

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Solution

The fourth proportional to 535,293.43, 738,637.50 and 293,512.39 is: 405,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,293.43 : 738,637.50 = 293,512.39 : x
  2. Step 2: Convert to fraction form
    535,293.43/738,637.50 = 293,512.39/x
  3. Step 3: Cross multiply
    535,293.43x = 738,637.50 × 293,512.39
  4. Step 4: Simplify right side
    535,293.43x = 216,799,257,968.63
  5. Step 5: Solve for x
    x = 216,799,257,968.63/535,293.43
  6. Step 6: Final answer
    x = 405,010.12

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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.