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Finding the Fourth Proportional to 310,004.96, 427,777.27 and 174,007.71

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Solution

The fourth proportional to 310,004.96, 427,777.27 and 174,007.71 is: 240,114.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,004.96 : 427,777.27 = 174,007.71 : x
  2. Step 2: Convert to fraction form
    310,004.96/427,777.27 = 174,007.71/x
  3. Step 3: Cross multiply
    310,004.96x = 427,777.27 × 174,007.71
  4. Step 4: Simplify right side
    310,004.96x = 74,436,542,707.73
  5. Step 5: Solve for x
    x = 74,436,542,707.73/310,004.96
  6. Step 6: Final answer
    x = 240,114.04

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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.