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Finding the Fourth Proportional to 623,604.42, 860,571.54 and 337,124.43

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Solution

The fourth proportional to 623,604.42, 860,571.54 and 337,124.43 is: 465,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,604.42 : 860,571.54 = 337,124.43 : x
  2. Step 2: Convert to fraction form
    623,604.42/860,571.54 = 337,124.43/x
  3. Step 3: Cross multiply
    623,604.42x = 860,571.54 × 337,124.43
  4. Step 4: Simplify right side
    623,604.42x = 290,119,689,896.72
  5. Step 5: Solve for x
    x = 290,119,689,896.72/623,604.42
  6. Step 6: Final answer
    x = 465,230.33

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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.