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Finding the Fourth Proportional to 674.08, 1,006.20 and 592.06

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Solution

The fourth proportional to 674.08, 1,006.20 and 592.06 is: 883.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    674.08 : 1,006.20 = 592.06 : x
  2. Step 2: Convert to fraction form
    674.08/1,006.20 = 592.06/x
  3. Step 3: Cross multiply
    674.08x = 1,006.20 × 592.06
  4. Step 4: Simplify right side
    674.08x = 595,730.77
  5. Step 5: Solve for x
    x = 595,730.77/674.08
  6. Step 6: Final answer
    x = 883.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.