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Finding the Fourth Proportional to 528,345,652.78, 791,829,059.04 and 295,166,945.96

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Solution

The fourth proportional to 528,345,652.78, 791,829,059.04 and 295,166,945.96 is: 442,365,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,345,652.78 : 791,829,059.04 = 295,166,945.96 : x
  2. Step 2: Convert to fraction form
    528,345,652.78/791,829,059.04 = 295,166,945.96/x
  3. Step 3: Cross multiply
    528,345,652.78x = 791,829,059.04 × 295,166,945.96
  4. Step 4: Simplify right side
    528,345,652.78x = 233,721,765,078,479,392
  5. Step 5: Solve for x
    x = 233,721,765,078,479,392/528,345,652.78
  6. Step 6: Final answer
    x = 442,365,265.71

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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.