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Finding the Fourth Proportional to 555,969.34, 767,241.48 and 301,324.78

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Solution

The fourth proportional to 555,969.34, 767,241.48 and 301,324.78 is: 415,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,969.34 : 767,241.48 = 301,324.78 : x
  2. Step 2: Convert to fraction form
    555,969.34/767,241.48 = 301,324.78/x
  3. Step 3: Cross multiply
    555,969.34x = 767,241.48 × 301,324.78
  4. Step 4: Simplify right side
    555,969.34x = 231,188,870,167.87
  5. Step 5: Solve for x
    x = 231,188,870,167.87/555,969.34
  6. Step 6: Final answer
    x = 415,830.25

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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.