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Finding the Fourth Proportional to 432,637.96, 648,245.26 and 148,171.64

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Solution

The fourth proportional to 432,637.96, 648,245.26 and 148,171.64 is: 222,013.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,637.96 : 648,245.26 = 148,171.64 : x
  2. Step 2: Convert to fraction form
    432,637.96/648,245.26 = 148,171.64/x
  3. Step 3: Cross multiply
    432,637.96x = 648,245.26 × 148,171.64
  4. Step 4: Simplify right side
    432,637.96x = 96,051,563,296.43
  5. Step 5: Solve for x
    x = 96,051,563,296.43/432,637.96
  6. Step 6: Final answer
    x = 222,013.72

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1.5x scale

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.