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Finding the Fourth Proportional to 737,419.56, 1,017,736 and 415,192.48

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Solution

The fourth proportional to 737,419.56, 1,017,736 and 415,192.48 is: 573,020.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,419.56 : 1,017,736 = 415,192.48 : x
  2. Step 2: Convert to fraction form
    737,419.56/1,017,736 = 415,192.48/x
  3. Step 3: Cross multiply
    737,419.56x = 1,017,736 × 415,192.48
  4. Step 4: Simplify right side
    737,419.56x = 422,556,333,825.28
  5. Step 5: Solve for x
    x = 422,556,333,825.28/737,419.56
  6. Step 6: Final answer
    x = 573,020.24

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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.