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Finding the Fourth Proportional to 316,773.48, 437,038.11 and 180,709.26

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Solution

The fourth proportional to 316,773.48, 437,038.11 and 180,709.26 is: 249,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,773.48 : 437,038.11 = 180,709.26 : x
  2. Step 2: Convert to fraction form
    316,773.48/437,038.11 = 180,709.26/x
  3. Step 3: Cross multiply
    316,773.48x = 437,038.11 × 180,709.26
  4. Step 4: Simplify right side
    316,773.48x = 78,976,833,449.90
  5. Step 5: Solve for x
    x = 78,976,833,449.90/316,773.48
  6. Step 6: Final answer
    x = 249,316.43

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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.