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Finding the Fourth Proportional to 298,930,672.80, 448,396,009.20 and 183,541,053.60

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Solution

The fourth proportional to 298,930,672.80, 448,396,009.20 and 183,541,053.60 is: 275,311,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,930,672.80 : 448,396,009.20 = 183,541,053.60 : x
  2. Step 2: Convert to fraction form
    298,930,672.80/448,396,009.20 = 183,541,053.60/x
  3. Step 3: Cross multiply
    298,930,672.80x = 448,396,009.20 × 183,541,053.60
  4. Step 4: Simplify right side
    298,930,672.80x = 82,299,075,958,603,296
  5. Step 5: Solve for x
    x = 82,299,075,958,603,296/298,930,672.80
  6. Step 6: Final answer
    x = 275,311,580.40

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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.