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Finding the Fourth Proportional to 1,326.48, 1,989.04 and 595.43

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Solution

The fourth proportional to 1,326.48, 1,989.04 and 595.43 is: 892.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326.48 : 1,989.04 = 595.43 : x
  2. Step 2: Convert to fraction form
    1,326.48/1,989.04 = 595.43/x
  3. Step 3: Cross multiply
    1,326.48x = 1,989.04 × 595.43
  4. Step 4: Simplify right side
    1,326.48x = 1,184,330.11
  5. Step 5: Solve for x
    x = 1,184,330.11/1,326.48
  6. Step 6: Final answer
    x = 892.84

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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.