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Finding the Fourth Proportional to 492,840.40, 739,552.20 and 324,846.40

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Solution

The fourth proportional to 492,840.40, 739,552.20 and 324,846.40 is: 487,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,840.40 : 739,552.20 = 324,846.40 : x
  2. Step 2: Convert to fraction form
    492,840.40/739,552.20 = 324,846.40/x
  3. Step 3: Cross multiply
    492,840.40x = 739,552.20 × 324,846.40
  4. Step 4: Simplify right side
    492,840.40x = 240,240,869,782.08
  5. Step 5: Solve for x
    x = 240,240,869,782.08/492,840.40
  6. Step 6: Final answer
    x = 487,461.80

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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.