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Finding the Fourth Proportional to 373,080.16, 514,999.92 and 222,148

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Solution

The fourth proportional to 373,080.16, 514,999.92 and 222,148 is: 306,653.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,080.16 : 514,999.92 = 222,148 : x
  2. Step 2: Convert to fraction form
    373,080.16/514,999.92 = 222,148/x
  3. Step 3: Cross multiply
    373,080.16x = 514,999.92 × 222,148
  4. Step 4: Simplify right side
    373,080.16x = 114,406,202,228.16
  5. Step 5: Solve for x
    x = 114,406,202,228.16/373,080.16
  6. Step 6: Final answer
    x = 306,653.14

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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.