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Finding the Fourth Proportional to 360,973.26, 541,191.53 and 218,783.63

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Solution

The fourth proportional to 360,973.26, 541,191.53 and 218,783.63 is: 328,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,973.26 : 541,191.53 = 218,783.63 : x
  2. Step 2: Convert to fraction form
    360,973.26/541,191.53 = 218,783.63/x
  3. Step 3: Cross multiply
    360,973.26x = 541,191.53 × 218,783.63
  4. Step 4: Simplify right side
    360,973.26x = 118,403,848,127.93
  5. Step 5: Solve for x
    x = 118,403,848,127.93/360,973.26
  6. Step 6: Final answer
    x = 328,012.80

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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.