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Finding the Fourth Proportional to 661,329.44, 991,382.16 and 240,492.32

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Solution

The fourth proportional to 661,329.44, 991,382.16 and 240,492.32 is: 360,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,329.44 : 991,382.16 = 240,492.32 : x
  2. Step 2: Convert to fraction form
    661,329.44/991,382.16 = 240,492.32/x
  3. Step 3: Cross multiply
    661,329.44x = 991,382.16 × 240,492.32
  4. Step 4: Simplify right side
    661,329.44x = 238,419,795,665.01
  5. Step 5: Solve for x
    x = 238,419,795,665.01/661,329.44
  6. Step 6: Final answer
    x = 360,515.93

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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.