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Finding the Fourth Proportional to 437,996, 604,435.30 and 236,792

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Solution

The fourth proportional to 437,996, 604,435.30 and 236,792 is: 326,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,996 : 604,435.30 = 236,792 : x
  2. Step 2: Convert to fraction form
    437,996/604,435.30 = 236,792/x
  3. Step 3: Cross multiply
    437,996x = 604,435.30 × 236,792
  4. Step 4: Simplify right side
    437,996x = 143,125,443,557.60
  5. Step 5: Solve for x
    x = 143,125,443,557.60/437,996
  6. Step 6: Final answer
    x = 326,773.40

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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.