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Finding the Fourth Proportional to 455,800.96, 628,851.36 and 264,657.16

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Solution

The fourth proportional to 455,800.96, 628,851.36 and 264,657.16 is: 365,137.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,800.96 : 628,851.36 = 264,657.16 : x
  2. Step 2: Convert to fraction form
    455,800.96/628,851.36 = 264,657.16/x
  3. Step 3: Cross multiply
    455,800.96x = 628,851.36 × 264,657.16
  4. Step 4: Simplify right side
    455,800.96x = 166,430,014,999.74
  5. Step 5: Solve for x
    x = 166,430,014,999.74/455,800.96
  6. Step 6: Final answer
    x = 365,137.48

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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.