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Finding the Fourth Proportional to 469,652.39, 648,120.53 and 254,792.40

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Solution

The fourth proportional to 469,652.39, 648,120.53 and 254,792.40 is: 351,613.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,652.39 : 648,120.53 = 254,792.40 : x
  2. Step 2: Convert to fraction form
    469,652.39/648,120.53 = 254,792.40/x
  3. Step 3: Cross multiply
    469,652.39x = 648,120.53 × 254,792.40
  4. Step 4: Simplify right side
    469,652.39x = 165,136,182,087.37
  5. Step 5: Solve for x
    x = 165,136,182,087.37/469,652.39
  6. Step 6: Final answer
    x = 351,613.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.