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Finding the Fourth Proportional to 648,670.64, 972,608.52 and 227,994.80

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Solution

The fourth proportional to 648,670.64, 972,608.52 and 227,994.80 is: 341,852.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,670.64 : 972,608.52 = 227,994.80 : x
  2. Step 2: Convert to fraction form
    648,670.64/972,608.52 = 227,994.80/x
  3. Step 3: Cross multiply
    648,670.64x = 972,608.52 × 227,994.80
  4. Step 4: Simplify right side
    648,670.64x = 221,749,684,995.70
  5. Step 5: Solve for x
    x = 221,749,684,995.70/648,670.64
  6. Step 6: Final answer
    x = 341,852.51

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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.