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Finding the Fourth Proportional to 482,997.68, 666,539.78 and 265,215.77

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Solution

The fourth proportional to 482,997.68, 666,539.78 and 265,215.77 is: 365,999.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,997.68 : 666,539.78 = 265,215.77 : x
  2. Step 2: Convert to fraction form
    482,997.68/666,539.78 = 265,215.77/x
  3. Step 3: Cross multiply
    482,997.68x = 666,539.78 × 265,215.77
  4. Step 4: Simplify right side
    482,997.68x = 176,776,856,992.59
  5. Step 5: Solve for x
    x = 176,776,856,992.59/482,997.68
  6. Step 6: Final answer
    x = 365,999.39

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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.