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Finding the Fourth Proportional to 438,230, 604,757.46 and 237,026

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Solution

The fourth proportional to 438,230, 604,757.46 and 237,026 is: 327,095.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,230 : 604,757.46 = 237,026 : x
  2. Step 2: Convert to fraction form
    438,230/604,757.46 = 237,026/x
  3. Step 3: Cross multiply
    438,230x = 604,757.46 × 237,026
  4. Step 4: Simplify right side
    438,230x = 143,343,241,713.96
  5. Step 5: Solve for x
    x = 143,343,241,713.96/438,230
  6. Step 6: Final answer
    x = 327,095.91

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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.