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Finding the Fourth Proportional to 324,771,141.60, 487,156,712.40 and 324,771,141.60

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Solution

The fourth proportional to 324,771,141.60, 487,156,712.40 and 324,771,141.60 is: 487,156,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,771,141.60 : 487,156,712.40 = 324,771,141.60 : x
  2. Step 2: Convert to fraction form
    324,771,141.60/487,156,712.40 = 324,771,141.60/x
  3. Step 3: Cross multiply
    324,771,141.60x = 487,156,712.40 × 324,771,141.60
  4. Step 4: Simplify right side
    324,771,141.60x = 158,214,441,624,250,880
  5. Step 5: Solve for x
    x = 158,214,441,624,250,880/324,771,141.60
  6. Step 6: Final answer
    x = 487,156,712.40

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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.