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Finding the Fourth Proportional to 505,203,324.70, 757,804,987.05 and 505,203,324.70

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Solution

The fourth proportional to 505,203,324.70, 757,804,987.05 and 505,203,324.70 is: 757,804,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,203,324.70 : 757,804,987.05 = 505,203,324.70 : x
  2. Step 2: Convert to fraction form
    505,203,324.70/757,804,987.05 = 505,203,324.70/x
  3. Step 3: Cross multiply
    505,203,324.70x = 757,804,987.05 × 505,203,324.70
  4. Step 4: Simplify right side
    505,203,324.70x = 382,845,598,931,900,416
  5. Step 5: Solve for x
    x = 382,845,598,931,900,416/505,203,324.70
  6. Step 6: Final answer
    x = 757,804,987.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.