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Finding the Fourth Proportional to 666,317.01, 919,539.23 and 364,511.01

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Solution

The fourth proportional to 666,317.01, 919,539.23 and 364,511.01 is: 503,037.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,317.01 : 919,539.23 = 364,511.01 : x
  2. Step 2: Convert to fraction form
    666,317.01/919,539.23 = 364,511.01/x
  3. Step 3: Cross multiply
    666,317.01x = 919,539.23 × 364,511.01
  4. Step 4: Simplify right side
    666,317.01x = 335,182,171,639.37
  5. Step 5: Solve for x
    x = 335,182,171,639.37/666,317.01
  6. Step 6: Final answer
    x = 503,037.09

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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.