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Finding the Fourth Proportional to 1,567.95, 2,352.06 and 472.29

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Solution

The fourth proportional to 1,567.95, 2,352.06 and 472.29 is: 708.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.95 : 2,352.06 = 472.29 : x
  2. Step 2: Convert to fraction form
    1,567.95/2,352.06 = 472.29/x
  3. Step 3: Cross multiply
    1,567.95x = 2,352.06 × 472.29
  4. Step 4: Simplify right side
    1,567.95x = 1,110,854.42
  5. Step 5: Solve for x
    x = 1,110,854.42/1,567.95
  6. Step 6: Final answer
    x = 708.48

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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.