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Finding the Fourth Proportional to 401,615.55, 601,603.19 and 224,217.04

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Solution

The fourth proportional to 401,615.55, 601,603.19 and 224,217.04 is: 335,867.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,615.55 : 601,603.19 = 224,217.04 : x
  2. Step 2: Convert to fraction form
    401,615.55/601,603.19 = 224,217.04/x
  3. Step 3: Cross multiply
    401,615.55x = 601,603.19 × 224,217.04
  4. Step 4: Simplify right side
    401,615.55x = 134,889,686,516.36
  5. Step 5: Solve for x
    x = 134,889,686,516.36/401,615.55
  6. Step 6: Final answer
    x = 335,867.69

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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.