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Finding the Fourth Proportional to 1,527.67, 2,291.59 and 590.62

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Solution

The fourth proportional to 1,527.67, 2,291.59 and 590.62 is: 885.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.67 : 2,291.59 = 590.62 : x
  2. Step 2: Convert to fraction form
    1,527.67/2,291.59 = 590.62/x
  3. Step 3: Cross multiply
    1,527.67x = 2,291.59 × 590.62
  4. Step 4: Simplify right side
    1,527.67x = 1,353,458.89
  5. Step 5: Solve for x
    x = 1,353,458.89/1,527.67
  6. Step 6: Final answer
    x = 885.96

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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.