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Finding the Fourth Proportional to 244,971,875.80, 367,457,813.70 and 220,029,578.20

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Solution

The fourth proportional to 244,971,875.80, 367,457,813.70 and 220,029,578.20 is: 330,044,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,971,875.80 : 367,457,813.70 = 220,029,578.20 : x
  2. Step 2: Convert to fraction form
    244,971,875.80/367,457,813.70 = 220,029,578.20/x
  3. Step 3: Cross multiply
    244,971,875.80x = 367,457,813.70 × 220,029,578.20
  4. Step 4: Simplify right side
    244,971,875.80x = 80,851,587,754,705,168
  5. Step 5: Solve for x
    x = 80,851,587,754,705,168/244,971,875.80
  6. Step 6: Final answer
    x = 330,044,367.30

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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.