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Finding the Fourth Proportional to 615,380,920.40, 923,071,380.60 and 184,559,416.40

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Solution

The fourth proportional to 615,380,920.40, 923,071,380.60 and 184,559,416.40 is: 276,839,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,380,920.40 : 923,071,380.60 = 184,559,416.40 : x
  2. Step 2: Convert to fraction form
    615,380,920.40/923,071,380.60 = 184,559,416.40/x
  3. Step 3: Cross multiply
    615,380,920.40x = 923,071,380.60 × 184,559,416.40
  4. Step 4: Simplify right side
    615,380,920.40x = 170,361,515,299,078,304
  5. Step 5: Solve for x
    x = 170,361,515,299,078,304/615,380,920.40
  6. Step 6: Final answer
    x = 276,839,124.60

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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.