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Finding the Fourth Proportional to 617,162.64, 926,093.64 and 243,448.08

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Solution

The fourth proportional to 617,162.64, 926,093.64 and 243,448.08 is: 365,310.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,162.64 : 926,093.64 = 243,448.08 : x
  2. Step 2: Convert to fraction form
    617,162.64/926,093.64 = 243,448.08/x
  3. Step 3: Cross multiply
    617,162.64x = 926,093.64 × 243,448.08
  4. Step 4: Simplify right side
    617,162.64x = 225,455,718,558.21
  5. Step 5: Solve for x
    x = 225,455,718,558.21/617,162.64
  6. Step 6: Final answer
    x = 365,310.06

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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.