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Finding the Fourth Proportional to 623,740.14, 860,761.89 and 337,260.42

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Solution

The fourth proportional to 623,740.14, 860,761.89 and 337,260.42 is: 465,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,740.14 : 860,761.89 = 337,260.42 : x
  2. Step 2: Convert to fraction form
    623,740.14/860,761.89 = 337,260.42/x
  3. Step 3: Cross multiply
    623,740.14x = 860,761.89 × 337,260.42
  4. Step 4: Simplify right side
    623,740.14x = 290,300,916,541.39
  5. Step 5: Solve for x
    x = 290,300,916,541.39/623,740.14
  6. Step 6: Final answer
    x = 465,419.65

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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.