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Finding the Fourth Proportional to 456,751.52, 630,919.56 and 350,632.88

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Solution

The fourth proportional to 456,751.52, 630,919.56 and 350,632.88 is: 484,335.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,751.52 : 630,919.56 = 350,632.88 : x
  2. Step 2: Convert to fraction form
    456,751.52/630,919.56 = 350,632.88/x
  3. Step 3: Cross multiply
    456,751.52x = 630,919.56 × 350,632.88
  4. Step 4: Simplify right side
    456,751.52x = 221,221,142,371.13
  5. Step 5: Solve for x
    x = 221,221,142,371.13/456,751.52
  6. Step 6: Final answer
    x = 484,335.86

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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.