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Finding the Fourth Proportional to 496,287,707.70, 744,431,561.55 and 254,423,003.70

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Solution

The fourth proportional to 496,287,707.70, 744,431,561.55 and 254,423,003.70 is: 381,634,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,287,707.70 : 744,431,561.55 = 254,423,003.70 : x
  2. Step 2: Convert to fraction form
    496,287,707.70/744,431,561.55 = 254,423,003.70/x
  3. Step 3: Cross multiply
    496,287,707.70x = 744,431,561.55 × 254,423,003.70
  4. Step 4: Simplify right side
    496,287,707.70x = 189,400,513,938,632,416
  5. Step 5: Solve for x
    x = 189,400,513,938,632,416/496,287,707.70
  6. Step 6: Final answer
    x = 381,634,505.55

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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.