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Finding the Fourth Proportional to 631,862.25, 947,793.38 and 252,953.57

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Solution

The fourth proportional to 631,862.25, 947,793.38 and 252,953.57 is: 379,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,862.25 : 947,793.38 = 252,953.57 : x
  2. Step 2: Convert to fraction form
    631,862.25/947,793.38 = 252,953.57/x
  3. Step 3: Cross multiply
    631,862.25x = 947,793.38 × 252,953.57
  4. Step 4: Simplify right side
    631,862.25x = 239,747,719,093.37
  5. Step 5: Solve for x
    x = 239,747,719,093.37/631,862.25
  6. Step 6: Final answer
    x = 379,430.36

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Double scale
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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.