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Finding the Fourth Proportional to 675,906.52, 932,736.90 and 369,975.40

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Solution

The fourth proportional to 675,906.52, 932,736.90 and 369,975.40 is: 510,558.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,906.52 : 932,736.90 = 369,975.40 : x
  2. Step 2: Convert to fraction form
    675,906.52/932,736.90 = 369,975.40/x
  3. Step 3: Cross multiply
    675,906.52x = 932,736.90 × 369,975.40
  4. Step 4: Simplify right side
    675,906.52x = 345,089,707,672.26
  5. Step 5: Solve for x
    x = 345,089,707,672.26/675,906.52
  6. Step 6: Final answer
    x = 510,558.34

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Double scale
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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.