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Finding the Fourth Proportional to 501,944.72, 692,684.90 and 275,604.80

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Solution

The fourth proportional to 501,944.72, 692,684.90 and 275,604.80 is: 380,335.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,944.72 : 692,684.90 = 275,604.80 : x
  2. Step 2: Convert to fraction form
    501,944.72/692,684.90 = 275,604.80/x
  3. Step 3: Cross multiply
    501,944.72x = 692,684.90 × 275,604.80
  4. Step 4: Simplify right side
    501,944.72x = 190,907,283,327.52
  5. Step 5: Solve for x
    x = 190,907,283,327.52/501,944.72
  6. Step 6: Final answer
    x = 380,335.28

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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.