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Finding the Fourth Proportional to 438,096.64, 604,591.68 and 276,893.14

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Solution

The fourth proportional to 438,096.64, 604,591.68 and 276,893.14 is: 382,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,096.64 : 604,591.68 = 276,893.14 : x
  2. Step 2: Convert to fraction form
    438,096.64/604,591.68 = 276,893.14/x
  3. Step 3: Cross multiply
    438,096.64x = 604,591.68 × 276,893.14
  4. Step 4: Simplify right side
    438,096.64x = 167,407,288,693.08
  5. Step 5: Solve for x
    x = 167,407,288,693.08/438,096.64
  6. Step 6: Final answer
    x = 382,124.11

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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.