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Finding the Fourth Proportional to 623,694.54, 860,699.70 and 337,214.64

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Solution

The fourth proportional to 623,694.54, 860,699.70 and 337,214.64 is: 465,356.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,694.54 : 860,699.70 = 337,214.64 : x
  2. Step 2: Convert to fraction form
    623,694.54/860,699.70 = 337,214.64/x
  3. Step 3: Cross multiply
    623,694.54x = 860,699.70 × 337,214.64
  4. Step 4: Simplify right side
    623,694.54x = 290,240,539,483.61
  5. Step 5: Solve for x
    x = 290,240,539,483.61/623,694.54
  6. Step 6: Final answer
    x = 465,356.87

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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.