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Finding the Fourth Proportional to 470,126.46, 648,777.09 and 255,266.52

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Solution

The fourth proportional to 470,126.46, 648,777.09 and 255,266.52 is: 352,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,126.46 : 648,777.09 = 255,266.52 : x
  2. Step 2: Convert to fraction form
    470,126.46/648,777.09 = 255,266.52/x
  3. Step 3: Cross multiply
    470,126.46x = 648,777.09 × 255,266.52
  4. Step 4: Simplify right side
    470,126.46x = 165,611,070,020.03
  5. Step 5: Solve for x
    x = 165,611,070,020.03/470,126.46
  6. Step 6: Final answer
    x = 352,269.20

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