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Finding the Fourth Proportional to 538,527.90, 807,791.85 and 183,942.30

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Solution

The fourth proportional to 538,527.90, 807,791.85 and 183,942.30 is: 275,913.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,527.90 : 807,791.85 = 183,942.30 : x
  2. Step 2: Convert to fraction form
    538,527.90/807,791.85 = 183,942.30/x
  3. Step 3: Cross multiply
    538,527.90x = 807,791.85 × 183,942.30
  4. Step 4: Simplify right side
    538,527.90x = 148,587,090,810.26
  5. Step 5: Solve for x
    x = 148,587,090,810.26/538,527.90
  6. Step 6: Final answer
    x = 275,913.45

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Similar ratio
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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.