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Finding the Fourth Proportional to 535,724,795.92, 739,242,960.96 and 300,801,280

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Solution

The fourth proportional to 535,724,795.92, 739,242,960.96 and 300,801,280 is: 415,073,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,724,795.92 : 739,242,960.96 = 300,801,280 : x
  2. Step 2: Convert to fraction form
    535,724,795.92/739,242,960.96 = 300,801,280/x
  3. Step 3: Cross multiply
    535,724,795.92x = 739,242,960.96 × 300,801,280
  4. Step 4: Simplify right side
    535,724,795.92x = 222,365,228,887,758,048
  5. Step 5: Solve for x
    x = 222,365,228,887,758,048/535,724,795.92
  6. Step 6: Final answer
    x = 415,073,617.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.