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Finding the Fourth Proportional to 324,771,158.10, 487,156,737.15 and 324,771,158.10

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Solution

The fourth proportional to 324,771,158.10, 487,156,737.15 and 324,771,158.10 is: 487,156,737.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,771,158.10 : 487,156,737.15 = 324,771,158.10 : x
  2. Step 2: Convert to fraction form
    324,771,158.10/487,156,737.15 = 324,771,158.10/x
  3. Step 3: Cross multiply
    324,771,158.10x = 487,156,737.15 × 324,771,158.10
  4. Step 4: Simplify right side
    324,771,158.10x = 158,214,457,700,422,784
  5. Step 5: Solve for x
    x = 158,214,457,700,422,784/324,771,158.10
  6. Step 6: Final answer
    x = 487,156,737.15

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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.