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Finding the Fourth Proportional to 955,221.84, 1,432,780.92 and 290,322

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Solution

The fourth proportional to 955,221.84, 1,432,780.92 and 290,322 is: 435,467.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,221.84 : 1,432,780.92 = 290,322 : x
  2. Step 2: Convert to fraction form
    955,221.84/1,432,780.92 = 290,322/x
  3. Step 3: Cross multiply
    955,221.84x = 1,432,780.92 × 290,322
  4. Step 4: Simplify right side
    955,221.84x = 415,967,822,256.24
  5. Step 5: Solve for x
    x = 415,967,822,256.24/955,221.84
  6. Step 6: Final answer
    x = 435,467.24

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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.