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Finding the Fourth Proportional to 456,696.86, 630,242.82 and 252,761.81

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Solution

The fourth proportional to 456,696.86, 630,242.82 and 252,761.81 is: 348,811.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,696.86 : 630,242.82 = 252,761.81 : x
  2. Step 2: Convert to fraction form
    456,696.86/630,242.82 = 252,761.81/x
  3. Step 3: Cross multiply
    456,696.86x = 630,242.82 × 252,761.81
  4. Step 4: Simplify right side
    456,696.86x = 159,301,312,771.49
  5. Step 5: Solve for x
    x = 159,301,312,771.49/456,696.86
  6. Step 6: Final answer
    x = 348,811.93

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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.