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Finding the Fourth Proportional to 496,156.40, 744,234.60 and 492,009.20

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Solution

The fourth proportional to 496,156.40, 744,234.60 and 492,009.20 is: 738,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,156.40 : 744,234.60 = 492,009.20 : x
  2. Step 2: Convert to fraction form
    496,156.40/744,234.60 = 492,009.20/x
  3. Step 3: Cross multiply
    496,156.40x = 744,234.60 × 492,009.20
  4. Step 4: Simplify right side
    496,156.40x = 366,170,270,158.32
  5. Step 5: Solve for x
    x = 366,170,270,158.32/496,156.40
  6. Step 6: Final answer
    x = 738,013.80

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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.