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Finding the Fourth Proportional to 959,482, 1,324,201.80 and 557,074

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Solution

The fourth proportional to 959,482, 1,324,201.80 and 557,074 is: 768,829.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,482 : 1,324,201.80 = 557,074 : x
  2. Step 2: Convert to fraction form
    959,482/1,324,201.80 = 557,074/x
  3. Step 3: Cross multiply
    959,482x = 1,324,201.80 × 557,074
  4. Step 4: Simplify right side
    959,482x = 737,678,393,533.20
  5. Step 5: Solve for x
    x = 737,678,393,533.20/959,482
  6. Step 6: Final answer
    x = 768,829.84

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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.