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Finding the Fourth Proportional to 535,724,796.92, 739,242,962.34 and 300,801,281

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Solution

The fourth proportional to 535,724,796.92, 739,242,962.34 and 300,801,281 is: 415,073,618.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,724,796.92 : 739,242,962.34 = 300,801,281 : x
  2. Step 2: Convert to fraction form
    535,724,796.92/739,242,962.34 = 300,801,281/x
  3. Step 3: Cross multiply
    535,724,796.92x = 739,242,962.34 × 300,801,281
  4. Step 4: Simplify right side
    535,724,796.92x = 222,365,230,042,106,752
  5. Step 5: Solve for x
    x = 222,365,230,042,106,752/535,724,796.92
  6. Step 6: Final answer
    x = 415,073,618.62

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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.