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Finding the Fourth Proportional to 480,053.34, 662,493.74 and 276,104.32

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Solution

The fourth proportional to 480,053.34, 662,493.74 and 276,104.32 is: 381,035.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,053.34 : 662,493.74 = 276,104.32 : x
  2. Step 2: Convert to fraction form
    480,053.34/662,493.74 = 276,104.32/x
  3. Step 3: Cross multiply
    480,053.34x = 662,493.74 × 276,104.32
  4. Step 4: Simplify right side
    480,053.34x = 182,917,380,550.20
  5. Step 5: Solve for x
    x = 182,917,380,550.20/480,053.34
  6. Step 6: Final answer
    x = 381,035.53

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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.