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Finding the Fourth Proportional to 598,678.26, 897,540.57 and 345,671.76

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Solution

The fourth proportional to 598,678.26, 897,540.57 and 345,671.76 is: 518,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,678.26 : 897,540.57 = 345,671.76 : x
  2. Step 2: Convert to fraction form
    598,678.26/897,540.57 = 345,671.76/x
  3. Step 3: Cross multiply
    598,678.26x = 897,540.57 × 345,671.76
  4. Step 4: Simplify right side
    598,678.26x = 310,254,428,503.30
  5. Step 5: Solve for x
    x = 310,254,428,503.30/598,678.26
  6. Step 6: Final answer
    x = 518,232.33

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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.