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Finding the Fourth Proportional to 504,337,152.40, 756,505,728.60 and 177,182,072.80

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Solution

The fourth proportional to 504,337,152.40, 756,505,728.60 and 177,182,072.80 is: 265,773,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,337,152.40 : 756,505,728.60 = 177,182,072.80 : x
  2. Step 2: Convert to fraction form
    504,337,152.40/756,505,728.60 = 177,182,072.80/x
  3. Step 3: Cross multiply
    504,337,152.40x = 756,505,728.60 × 177,182,072.80
  4. Step 4: Simplify right side
    504,337,152.40x = 134,039,253,078,422,256
  5. Step 5: Solve for x
    x = 134,039,253,078,422,256/504,337,152.40
  6. Step 6: Final answer
    x = 265,773,109.20

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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.