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Finding the Fourth Proportional to 623,804.22, 860,850.45 and 337,324.23

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Solution

The fourth proportional to 623,804.22, 860,850.45 and 337,324.23 is: 465,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,804.22 : 860,850.45 = 337,324.23 : x
  2. Step 2: Convert to fraction form
    623,804.22/860,850.45 = 337,324.23/x
  3. Step 3: Cross multiply
    623,804.22x = 860,850.45 × 337,324.23
  4. Step 4: Simplify right side
    623,804.22x = 290,385,715,191.40
  5. Step 5: Solve for x
    x = 290,385,715,191.40/623,804.22
  6. Step 6: Final answer
    x = 465,507.78

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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.