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Finding the Fourth Proportional to 354,375,773.60, 531,563,660.40 and 95,590,493.60

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Solution

The fourth proportional to 354,375,773.60, 531,563,660.40 and 95,590,493.60 is: 143,385,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,375,773.60 : 531,563,660.40 = 95,590,493.60 : x
  2. Step 2: Convert to fraction form
    354,375,773.60/531,563,660.40 = 95,590,493.60/x
  3. Step 3: Cross multiply
    354,375,773.60x = 531,563,660.40 × 95,590,493.60
  4. Step 4: Simplify right side
    354,375,773.60x = 50,812,432,677,458,768
  5. Step 5: Solve for x
    x = 50,812,432,677,458,768/354,375,773.60
  6. Step 6: Final answer
    x = 143,385,740.40

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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.