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Finding the Fourth Proportional to 574,145.46, 791,499.42 and 403,851.06

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Solution

The fourth proportional to 574,145.46, 791,499.42 and 403,851.06 is: 556,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,145.46 : 791,499.42 = 403,851.06 : x
  2. Step 2: Convert to fraction form
    574,145.46/791,499.42 = 403,851.06/x
  3. Step 3: Cross multiply
    574,145.46x = 791,499.42 × 403,851.06
  4. Step 4: Simplify right side
    574,145.46x = 319,647,879,756.39
  5. Step 5: Solve for x
    x = 319,647,879,756.39/574,145.46
  6. Step 6: Final answer
    x = 556,736.75

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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.