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Finding the Fourth Proportional to 456,658.63, 630,176.05 and 252,718.04

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Solution

The fourth proportional to 456,658.63, 630,176.05 and 252,718.04 is: 348,743.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,658.63 : 630,176.05 = 252,718.04 : x
  2. Step 2: Convert to fraction form
    456,658.63/630,176.05 = 252,718.04/x
  3. Step 3: Cross multiply
    456,658.63x = 630,176.05 × 252,718.04
  4. Step 4: Simplify right side
    456,658.63x = 159,256,858,102.28
  5. Step 5: Solve for x
    x = 159,256,858,102.28/456,658.63
  6. Step 6: Final answer
    x = 348,743.78

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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.