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Finding the Fourth Proportional to 598,690.98, 897,559.65 and 345,684.51

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Solution

The fourth proportional to 598,690.98, 897,559.65 and 345,684.51 is: 518,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,690.98 : 897,559.65 = 345,684.51 : x
  2. Step 2: Convert to fraction form
    598,690.98/897,559.65 = 345,684.51/x
  3. Step 3: Cross multiply
    598,690.98x = 897,559.65 × 345,684.51
  4. Step 4: Simplify right side
    598,690.98x = 310,272,467,806.02
  5. Step 5: Solve for x
    x = 310,272,467,806.02/598,690.98
  6. Step 6: Final answer
    x = 518,251.45

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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.