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Finding the Fourth Proportional to 615,375,658.20, 923,063,487.30 and 184,554,154.20

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Solution

The fourth proportional to 615,375,658.20, 923,063,487.30 and 184,554,154.20 is: 276,831,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,375,658.20 : 923,063,487.30 = 184,554,154.20 : x
  2. Step 2: Convert to fraction form
    615,375,658.20/923,063,487.30 = 184,554,154.20/x
  3. Step 3: Cross multiply
    615,375,658.20x = 923,063,487.30 × 184,554,154.20
  4. Step 4: Simplify right side
    615,375,658.20x = 170,355,201,171,553,920
  5. Step 5: Solve for x
    x = 170,355,201,171,553,920/615,375,658.20
  6. Step 6: Final answer
    x = 276,831,231.30

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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.