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Finding the Fourth Proportional to 401,475.64, 602,270.74 and 131,546.04

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Solution

The fourth proportional to 401,475.64, 602,270.74 and 131,546.04 is: 197,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,475.64 : 602,270.74 = 131,546.04 : x
  2. Step 2: Convert to fraction form
    401,475.64/602,270.74 = 131,546.04/x
  3. Step 3: Cross multiply
    401,475.64x = 602,270.74 × 131,546.04
  4. Step 4: Simplify right side
    401,475.64x = 79,226,330,854.87
  5. Step 5: Solve for x
    x = 79,226,330,854.87/401,475.64
  6. Step 6: Final answer
    x = 197,337.83

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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.