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Finding the Fourth Proportional to 461,736,762.75, 637,197,347.25 and 250,043,958.66

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Solution

The fourth proportional to 461,736,762.75, 637,197,347.25 and 250,043,958.66 is: 345,060,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,736,762.75 : 637,197,347.25 = 250,043,958.66 : x
  2. Step 2: Convert to fraction form
    461,736,762.75/637,197,347.25 = 250,043,958.66/x
  3. Step 3: Cross multiply
    461,736,762.75x = 637,197,347.25 × 250,043,958.66
  4. Step 4: Simplify right side
    461,736,762.75x = 159,327,347,154,040,672
  5. Step 5: Solve for x
    x = 159,327,347,154,040,672/461,736,762.75
  6. Step 6: Final answer
    x = 345,060,995.80

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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.