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Finding the Fourth Proportional to 292,016.80, 438,025.20 and 114,529.60

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Solution

The fourth proportional to 292,016.80, 438,025.20 and 114,529.60 is: 171,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,016.80 : 438,025.20 = 114,529.60 : x
  2. Step 2: Convert to fraction form
    292,016.80/438,025.20 = 114,529.60/x
  3. Step 3: Cross multiply
    292,016.80x = 438,025.20 × 114,529.60
  4. Step 4: Simplify right side
    292,016.80x = 50,166,850,945.92
  5. Step 5: Solve for x
    x = 50,166,850,945.92/292,016.80
  6. Step 6: Final answer
    x = 171,794.40

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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.