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Finding the Fourth Proportional to 1,295.96, 1,943.34 and 473.66

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Solution

The fourth proportional to 1,295.96, 1,943.34 and 473.66 is: 710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.96 : 1,943.34 = 473.66 : x
  2. Step 2: Convert to fraction form
    1,295.96/1,943.34 = 473.66/x
  3. Step 3: Cross multiply
    1,295.96x = 1,943.34 × 473.66
  4. Step 4: Simplify right side
    1,295.96x = 920,482.42
  5. Step 5: Solve for x
    x = 920,482.42/1,295.96
  6. Step 6: Final answer
    x = 710.27

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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.