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Finding the Fourth Proportional to 623,511.56, 860,449.89 and 337,030.97

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Solution

The fourth proportional to 623,511.56, 860,449.89 and 337,030.97 is: 465,104.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,511.56 : 860,449.89 = 337,030.97 : x
  2. Step 2: Convert to fraction form
    623,511.56/860,449.89 = 337,030.97/x
  3. Step 3: Cross multiply
    623,511.56x = 860,449.89 × 337,030.97
  4. Step 4: Simplify right side
    623,511.56x = 289,998,256,760.84
  5. Step 5: Solve for x
    x = 289,998,256,760.84/623,511.56
  6. Step 6: Final answer
    x = 465,104.86

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1.5x scale

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.