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Finding the Fourth Proportional to 468,609.36, 646,684.01 and 253,749.42

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Solution

The fourth proportional to 468,609.36, 646,684.01 and 253,749.42 is: 350,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,609.36 : 646,684.01 = 253,749.42 : x
  2. Step 2: Convert to fraction form
    468,609.36/646,684.01 = 253,749.42/x
  3. Step 3: Cross multiply
    468,609.36x = 646,684.01 × 253,749.42
  4. Step 4: Simplify right side
    468,609.36x = 164,095,692,460.77
  5. Step 5: Solve for x
    x = 164,095,692,460.77/468,609.36
  6. Step 6: Final answer
    x = 350,175.87

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1.5x scale

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.