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Finding the Fourth Proportional to 489,592.42, 734,597.58 and 276,520.30

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Solution

The fourth proportional to 489,592.42, 734,597.58 and 276,520.30 is: 414,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,592.42 : 734,597.58 = 276,520.30 : x
  2. Step 2: Convert to fraction form
    489,592.42/734,597.58 = 276,520.30/x
  3. Step 3: Cross multiply
    489,592.42x = 734,597.58 × 276,520.30
  4. Step 4: Simplify right side
    489,592.42x = 203,131,143,200.87
  5. Step 5: Solve for x
    x = 203,131,143,200.87/489,592.42
  6. Step 6: Final answer
    x = 414,898.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.