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Finding the Fourth Proportional to 456,625.92, 629,990.08 and 265,483.20

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Solution

The fourth proportional to 456,625.92, 629,990.08 and 265,483.20 is: 366,277.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,625.92 : 629,990.08 = 265,483.20 : x
  2. Step 2: Convert to fraction form
    456,625.92/629,990.08 = 265,483.20/x
  3. Step 3: Cross multiply
    456,625.92x = 629,990.08 × 265,483.20
  4. Step 4: Simplify right side
    456,625.92x = 167,251,782,406.66
  5. Step 5: Solve for x
    x = 167,251,782,406.66/456,625.92
  6. Step 6: Final answer
    x = 366,277.46

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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.