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Finding the Fourth Proportional to 474,536.54, 654,860.47 and 259,676.64

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Solution

The fourth proportional to 474,536.54, 654,860.47 and 259,676.64 is: 358,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,536.54 : 654,860.47 = 259,676.64 : x
  2. Step 2: Convert to fraction form
    474,536.54/654,860.47 = 259,676.64/x
  3. Step 3: Cross multiply
    474,536.54x = 654,860.47 × 259,676.64
  4. Step 4: Simplify right side
    474,536.54x = 170,051,968,804.76
  5. Step 5: Solve for x
    x = 170,051,968,804.76/474,536.54
  6. Step 6: Final answer
    x = 358,353.80

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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.