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Finding the Fourth Proportional to 543,567.69, 815,416.38 and 262,883.25

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Solution

The fourth proportional to 543,567.69, 815,416.38 and 262,883.25 is: 394,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,567.69 : 815,416.38 = 262,883.25 : x
  2. Step 2: Convert to fraction form
    543,567.69/815,416.38 = 262,883.25/x
  3. Step 3: Cross multiply
    543,567.69x = 815,416.38 × 262,883.25
  4. Step 4: Simplify right side
    543,567.69x = 214,359,308,077.64
  5. Step 5: Solve for x
    x = 214,359,308,077.64/543,567.69
  6. Step 6: Final answer
    x = 394,356.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.