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Finding the Fourth Proportional to 456,771.48, 630,305.16 and 252,822.66

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Solution

The fourth proportional to 456,771.48, 630,305.16 and 252,822.66 is: 348,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,771.48 : 630,305.16 = 252,822.66 : x
  2. Step 2: Convert to fraction form
    456,771.48/630,305.16 = 252,822.66/x
  3. Step 3: Cross multiply
    456,771.48x = 630,305.16 × 252,822.66
  4. Step 4: Simplify right side
    456,771.48x = 159,355,427,162.93
  5. Step 5: Solve for x
    x = 159,355,427,162.93/456,771.48
  6. Step 6: Final answer
    x = 348,873.42

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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.