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Finding the Fourth Proportional to 590.00, 885.20 and 316.04

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Solution

The fourth proportional to 590.00, 885.20 and 316.04 is: 474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.00 : 885.20 = 316.04 : x
  2. Step 2: Convert to fraction form
    590.00/885.20 = 316.04/x
  3. Step 3: Cross multiply
    590.00x = 885.20 × 316.04
  4. Step 4: Simplify right side
    590.00x = 279,752.60
  5. Step 5: Solve for x
    x = 279,752.60/590.00
  6. Step 6: Final answer
    x = 474.16

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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.