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Finding the Fourth Proportional to 456,670.44, 630,192.29 and 252,729.86

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Solution

The fourth proportional to 456,670.44, 630,192.29 and 252,729.86 is: 348,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,670.44 : 630,192.29 = 252,729.86 : x
  2. Step 2: Convert to fraction form
    456,670.44/630,192.29 = 252,729.86/x
  3. Step 3: Cross multiply
    456,670.44x = 630,192.29 × 252,729.86
  4. Step 4: Simplify right side
    456,670.44x = 159,268,404,810.17
  5. Step 5: Solve for x
    x = 159,268,404,810.17/456,670.44
  6. Step 6: Final answer
    x = 348,760.05

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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.