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Finding the Fourth Proportional to 648,186.80, 972,571.80 and 227,764.40

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Solution

The fourth proportional to 648,186.80, 972,571.80 and 227,764.40 is: 341,749.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,186.80 : 972,571.80 = 227,764.40 : x
  2. Step 2: Convert to fraction form
    648,186.80/972,571.80 = 227,764.40/x
  3. Step 3: Cross multiply
    648,186.80x = 972,571.80 × 227,764.40
  4. Step 4: Simplify right side
    648,186.80x = 221,517,232,483.92
  5. Step 5: Solve for x
    x = 221,517,232,483.92/648,186.80
  6. Step 6: Final answer
    x = 341,749.06

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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.