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Finding the Fourth Proportional to 880,016.82, 1,319,813.82 and 406,247.01

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Solution

The fourth proportional to 880,016.82, 1,319,813.82 and 406,247.01 is: 609,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,016.82 : 1,319,813.82 = 406,247.01 : x
  2. Step 2: Convert to fraction form
    880,016.82/1,319,813.82 = 406,247.01/x
  3. Step 3: Cross multiply
    880,016.82x = 1,319,813.82 × 406,247.01
  4. Step 4: Simplify right side
    880,016.82x = 536,170,418,131.68
  5. Step 5: Solve for x
    x = 536,170,418,131.68/880,016.82
  6. Step 6: Final answer
    x = 609,272.92

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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.