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Finding the Fourth Proportional to 496,186.90, 744,280.35 and 492,039.70

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Solution

The fourth proportional to 496,186.90, 744,280.35 and 492,039.70 is: 738,059.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,186.90 : 744,280.35 = 492,039.70 : x
  2. Step 2: Convert to fraction form
    496,186.90/744,280.35 = 492,039.70/x
  3. Step 3: Cross multiply
    496,186.90x = 744,280.35 × 492,039.70
  4. Step 4: Simplify right side
    496,186.90x = 366,215,480,129.90
  5. Step 5: Solve for x
    x = 366,215,480,129.90/496,186.90
  6. Step 6: Final answer
    x = 738,059.55

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Similar ratio
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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.