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Finding the Fourth Proportional to 590.30, 885.59 and 282.06

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Solution

The fourth proportional to 590.30, 885.59 and 282.06 is: 423.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.30 : 885.59 = 282.06 : x
  2. Step 2: Convert to fraction form
    590.30/885.59 = 282.06/x
  3. Step 3: Cross multiply
    590.30x = 885.59 × 282.06
  4. Step 4: Simplify right side
    590.30x = 249,788.11
  5. Step 5: Solve for x
    x = 249,788.11/590.30
  6. Step 6: Final answer
    x = 423.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.