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Finding the Fourth Proportional to 557,266.68, 769,006.26 and 302,612.04

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Solution

The fourth proportional to 557,266.68, 769,006.26 and 302,612.04 is: 417,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,266.68 : 769,006.26 = 302,612.04 : x
  2. Step 2: Convert to fraction form
    557,266.68/769,006.26 = 302,612.04/x
  3. Step 3: Cross multiply
    557,266.68x = 769,006.26 × 302,612.04
  4. Step 4: Simplify right side
    557,266.68x = 232,710,553,111.37
  5. Step 5: Solve for x
    x = 232,710,553,111.37/557,266.68
  6. Step 6: Final answer
    x = 417,592.80

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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.