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Finding the Fourth Proportional to 301,513.80, 416,283.77 and 186,914.93

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Solution

The fourth proportional to 301,513.80, 416,283.77 and 186,914.93 is: 258,063.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,513.80 : 416,283.77 = 186,914.93 : x
  2. Step 2: Convert to fraction form
    301,513.80/416,283.77 = 186,914.93/x
  3. Step 3: Cross multiply
    301,513.80x = 416,283.77 × 186,914.93
  4. Step 4: Simplify right side
    301,513.80x = 77,809,650,115.55
  5. Step 5: Solve for x
    x = 77,809,650,115.55/301,513.80
  6. Step 6: Final answer
    x = 258,063.31

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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.