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Finding the Fourth Proportional to 482,458.63, 665,357.07 and 301,187.26

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Solution

The fourth proportional to 482,458.63, 665,357.07 and 301,187.26 is: 415,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,458.63 : 665,357.07 = 301,187.26 : x
  2. Step 2: Convert to fraction form
    482,458.63/665,357.07 = 301,187.26/x
  3. Step 3: Cross multiply
    482,458.63x = 665,357.07 × 301,187.26
  4. Step 4: Simplify right side
    482,458.63x = 200,397,072,834.93
  5. Step 5: Solve for x
    x = 200,397,072,834.93/482,458.63
  6. Step 6: Final answer
    x = 415,366.33

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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.