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Finding the Fourth Proportional to 672.92, 1,004.84 and 590.04

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Solution

The fourth proportional to 672.92, 1,004.84 and 590.04 is: 881.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.92 : 1,004.84 = 590.04 : x
  2. Step 2: Convert to fraction form
    672.92/1,004.84 = 590.04/x
  3. Step 3: Cross multiply
    672.92x = 1,004.84 × 590.04
  4. Step 4: Simplify right side
    672.92x = 592,895.79
  5. Step 5: Solve for x
    x = 592,895.79/672.92
  6. Step 6: Final answer
    x = 881.08

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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.