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Finding the Fourth Proportional to 472,063.39, 651,454.94 and 257,203.37

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Solution

The fourth proportional to 472,063.39, 651,454.94 and 257,203.37 is: 354,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,063.39 : 651,454.94 = 257,203.37 : x
  2. Step 2: Convert to fraction form
    472,063.39/651,454.94 = 257,203.37/x
  3. Step 3: Cross multiply
    472,063.39x = 651,454.94 × 257,203.37
  4. Step 4: Simplify right side
    472,063.39x = 167,556,405,971.15
  5. Step 5: Solve for x
    x = 167,556,405,971.15/472,063.39
  6. Step 6: Final answer
    x = 354,944.72

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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.