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Finding the Fourth Proportional to 594,432,018.80, 891,648,028.20 and 449,313,196.40

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Solution

The fourth proportional to 594,432,018.80, 891,648,028.20 and 449,313,196.40 is: 673,969,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,432,018.80 : 891,648,028.20 = 449,313,196.40 : x
  2. Step 2: Convert to fraction form
    594,432,018.80/891,648,028.20 = 449,313,196.40/x
  3. Step 3: Cross multiply
    594,432,018.80x = 891,648,028.20 × 449,313,196.40
  4. Step 4: Simplify right side
    594,432,018.80x = 400,629,225,614,299,328
  5. Step 5: Solve for x
    x = 400,629,225,614,299,328/594,432,018.80
  6. Step 6: Final answer
    x = 673,969,794.60

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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.