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Finding the Fourth Proportional to 456,672.69, 630,195.39 and 252,732.11

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Solution

The fourth proportional to 456,672.69, 630,195.39 and 252,732.11 is: 348,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,672.69 : 630,195.39 = 252,732.11 : x
  2. Step 2: Convert to fraction form
    456,672.69/630,195.39 = 252,732.11/x
  3. Step 3: Cross multiply
    456,672.69x = 630,195.39 × 252,732.11
  4. Step 4: Simplify right side
    456,672.69x = 159,270,607,476.00
  5. Step 5: Solve for x
    x = 159,270,607,476.00/456,672.69
  6. Step 6: Final answer
    x = 348,763.15

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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.