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Finding the Fourth Proportional to 469,817.43, 648,348.45 and 254,957.49

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Solution

The fourth proportional to 469,817.43, 648,348.45 and 254,957.49 is: 351,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,817.43 : 648,348.45 = 254,957.49 : x
  2. Step 2: Convert to fraction form
    469,817.43/648,348.45 = 254,957.49/x
  3. Step 3: Cross multiply
    469,817.43x = 648,348.45 × 254,957.49
  4. Step 4: Simplify right side
    469,817.43x = 165,301,293,457.39
  5. Step 5: Solve for x
    x = 165,301,293,457.39/469,817.43
  6. Step 6: Final answer
    x = 351,841.55

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1.5x scale

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.