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Finding the Fourth Proportional to 1,084.02, 1,624.43 and 590.35

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Solution

The fourth proportional to 1,084.02, 1,624.43 and 590.35 is: 884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084.02 : 1,624.43 = 590.35 : x
  2. Step 2: Convert to fraction form
    1,084.02/1,624.43 = 590.35/x
  3. Step 3: Cross multiply
    1,084.02x = 1,624.43 × 590.35
  4. Step 4: Simplify right side
    1,084.02x = 958,982.25
  5. Step 5: Solve for x
    x = 958,982.25/1,084.02
  6. Step 6: Final answer
    x = 884.65

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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.