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Finding the Fourth Proportional to 401,034.60, 601,551.90 and 374,462.55

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Solution

The fourth proportional to 401,034.60, 601,551.90 and 374,462.55 is: 561,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,034.60 : 601,551.90 = 374,462.55 : x
  2. Step 2: Convert to fraction form
    401,034.60/601,551.90 = 374,462.55/x
  3. Step 3: Cross multiply
    401,034.60x = 601,551.90 × 374,462.55
  4. Step 4: Simplify right side
    401,034.60x = 225,258,658,431.35
  5. Step 5: Solve for x
    x = 225,258,658,431.35/401,034.60
  6. Step 6: Final answer
    x = 561,693.83

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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.