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Finding the Fourth Proportional to 1,567.34, 2,350.76 and 580.62

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Solution

The fourth proportional to 1,567.34, 2,350.76 and 580.62 is: 870.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.34 : 2,350.76 = 580.62 : x
  2. Step 2: Convert to fraction form
    1,567.34/2,350.76 = 580.62/x
  3. Step 3: Cross multiply
    1,567.34x = 2,350.76 × 580.62
  4. Step 4: Simplify right side
    1,567.34x = 1,364,898.27
  5. Step 5: Solve for x
    x = 1,364,898.27/1,567.34
  6. Step 6: Final answer
    x = 870.84

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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.