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Finding the Fourth Proportional to 1,567.70, 2,352.02 and 472.10

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Solution

The fourth proportional to 1,567.70, 2,352.02 and 472.10 is: 708.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.70 : 2,352.02 = 472.10 : x
  2. Step 2: Convert to fraction form
    1,567.70/2,352.02 = 472.10/x
  3. Step 3: Cross multiply
    1,567.70x = 2,352.02 × 472.10
  4. Step 4: Simplify right side
    1,567.70x = 1,110,388.64
  5. Step 5: Solve for x
    x = 1,110,388.64/1,567.70
  6. Step 6: Final answer
    x = 708.29

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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.