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Finding the Fourth Proportional to 557,348.32, 769,142.04 and 302,694.04

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Solution

The fourth proportional to 557,348.32, 769,142.04 and 302,694.04 is: 417,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,348.32 : 769,142.04 = 302,694.04 : x
  2. Step 2: Convert to fraction form
    557,348.32/769,142.04 = 302,694.04/x
  3. Step 3: Cross multiply
    557,348.32x = 769,142.04 × 302,694.04
  4. Step 4: Simplify right side
    557,348.32x = 232,814,711,421.44
  5. Step 5: Solve for x
    x = 232,814,711,421.44/557,348.32
  6. Step 6: Final answer
    x = 417,718.51

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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.