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Finding the Fourth Proportional to 295,707,935.40, 443,561,903.10 and 219,180,431.40

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Solution

The fourth proportional to 295,707,935.40, 443,561,903.10 and 219,180,431.40 is: 328,770,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,707,935.40 : 443,561,903.10 = 219,180,431.40 : x
  2. Step 2: Convert to fraction form
    295,707,935.40/443,561,903.10 = 219,180,431.40/x
  3. Step 3: Cross multiply
    295,707,935.40x = 443,561,903.10 × 219,180,431.40
  4. Step 4: Simplify right side
    295,707,935.40x = 97,220,089,274,063,008
  5. Step 5: Solve for x
    x = 97,220,089,274,063,008/295,707,935.40
  6. Step 6: Final answer
    x = 328,770,647.10

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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.