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Finding the Fourth Proportional to 1,295.52, 1,942.44 and 473.64

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Solution

The fourth proportional to 1,295.52, 1,942.44 and 473.64 is: 710.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.52 : 1,942.44 = 473.64 : x
  2. Step 2: Convert to fraction form
    1,295.52/1,942.44 = 473.64/x
  3. Step 3: Cross multiply
    1,295.52x = 1,942.44 × 473.64
  4. Step 4: Simplify right side
    1,295.52x = 920,017.28
  5. Step 5: Solve for x
    x = 920,017.28/1,295.52
  6. Step 6: Final answer
    x = 710.15

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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.