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Finding the Fourth Proportional to 598,490, 825,933.48 and 330,235.28

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Solution

The fourth proportional to 598,490, 825,933.48 and 330,235.28 is: 455,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,490 : 825,933.48 = 330,235.28 : x
  2. Step 2: Convert to fraction form
    598,490/825,933.48 = 330,235.28/x
  3. Step 3: Cross multiply
    598,490x = 825,933.48 × 330,235.28
  4. Step 4: Simplify right side
    598,490x = 272,752,374,029.17
  5. Step 5: Solve for x
    x = 272,752,374,029.17/598,490
  6. Step 6: Final answer
    x = 455,734.22

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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.