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Finding the Fourth Proportional to 574,886.64, 793,672.41 and 381,556.53

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Solution

The fourth proportional to 574,886.64, 793,672.41 and 381,556.53 is: 526,766.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,886.64 : 793,672.41 = 381,556.53 : x
  2. Step 2: Convert to fraction form
    574,886.64/793,672.41 = 381,556.53/x
  3. Step 3: Cross multiply
    574,886.64x = 793,672.41 × 381,556.53
  4. Step 4: Simplify right side
    574,886.64x = 302,830,888,808.56
  5. Step 5: Solve for x
    x = 302,830,888,808.56/574,886.64
  6. Step 6: Final answer
    x = 526,766.27

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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.