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Finding the Fourth Proportional to 432,489.60, 648,637.20 and 283,773.60

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Solution

The fourth proportional to 432,489.60, 648,637.20 and 283,773.60 is: 425,596.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,489.60 : 648,637.20 = 283,773.60 : x
  2. Step 2: Convert to fraction form
    432,489.60/648,637.20 = 283,773.60/x
  3. Step 3: Cross multiply
    432,489.60x = 648,637.20 × 283,773.60
  4. Step 4: Simplify right side
    432,489.60x = 184,066,113,337.92
  5. Step 5: Solve for x
    x = 184,066,113,337.92/432,489.60
  6. Step 6: Final answer
    x = 425,596.62

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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.