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Finding the Fourth Proportional to 496,117.80, 744,176.70 and 492,618.60

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Solution

The fourth proportional to 496,117.80, 744,176.70 and 492,618.60 is: 738,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,117.80 : 744,176.70 = 492,618.60 : x
  2. Step 2: Convert to fraction form
    496,117.80/744,176.70 = 492,618.60/x
  3. Step 3: Cross multiply
    496,117.80x = 744,176.70 × 492,618.60
  4. Step 4: Simplify right side
    496,117.80x = 366,595,284,106.62
  5. Step 5: Solve for x
    x = 366,595,284,106.62/496,117.80
  6. Step 6: Final answer
    x = 738,927.90

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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.