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Finding the Fourth Proportional to 482,875.21, 725,023.80 and 270,060.07

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Solution

The fourth proportional to 482,875.21, 725,023.80 and 270,060.07 is: 405,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,875.21 : 725,023.80 = 270,060.07 : x
  2. Step 2: Convert to fraction form
    482,875.21/725,023.80 = 270,060.07/x
  3. Step 3: Cross multiply
    482,875.21x = 725,023.80 × 270,060.07
  4. Step 4: Simplify right side
    482,875.21x = 195,799,973,204.25
  5. Step 5: Solve for x
    x = 195,799,973,204.25/482,875.21
  6. Step 6: Final answer
    x = 405,487.73

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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.