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Finding the Fourth Proportional to 474,934.64, 712,664.28 and 264,691.04

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Solution

The fourth proportional to 474,934.64, 712,664.28 and 264,691.04 is: 397,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,934.64 : 712,664.28 = 264,691.04 : x
  2. Step 2: Convert to fraction form
    474,934.64/712,664.28 = 264,691.04/x
  3. Step 3: Cross multiply
    474,934.64x = 712,664.28 × 264,691.04
  4. Step 4: Simplify right side
    474,934.64x = 188,635,849,444.05
  5. Step 5: Solve for x
    x = 188,635,849,444.05/474,934.64
  6. Step 6: Final answer
    x = 397,182.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.