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Finding the Fourth Proportional to 623,796.71, 860,839.47 and 337,316.81

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Solution

The fourth proportional to 623,796.71, 860,839.47 and 337,316.81 is: 465,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,796.71 : 860,839.47 = 337,316.81 : x
  2. Step 2: Convert to fraction form
    623,796.71/860,839.47 = 337,316.81/x
  3. Step 3: Cross multiply
    623,796.71x = 860,839.47 × 337,316.81
  4. Step 4: Simplify right side
    623,796.71x = 290,375,619,638.29
  5. Step 5: Solve for x
    x = 290,375,619,638.29/623,796.71
  6. Step 6: Final answer
    x = 465,497.20

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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.