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Finding the Fourth Proportional to 332,262, 497,578.68 and 300,311.28

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Solution

The fourth proportional to 332,262, 497,578.68 and 300,311.28 is: 449,730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,262 : 497,578.68 = 300,311.28 : x
  2. Step 2: Convert to fraction form
    332,262/497,578.68 = 300,311.28/x
  3. Step 3: Cross multiply
    332,262x = 497,578.68 × 300,311.28
  4. Step 4: Simplify right side
    332,262x = 149,428,490,291.51
  5. Step 5: Solve for x
    x = 149,428,490,291.51/332,262
  6. Step 6: Final answer
    x = 449,730.91

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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.