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Finding the Fourth Proportional to 945.24, 1,303.18 and 595.32

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Solution

The fourth proportional to 945.24, 1,303.18 and 595.32 is: 820.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    945.24 : 1,303.18 = 595.32 : x
  2. Step 2: Convert to fraction form
    945.24/1,303.18 = 595.32/x
  3. Step 3: Cross multiply
    945.24x = 1,303.18 × 595.32
  4. Step 4: Simplify right side
    945.24x = 775,809.12
  5. Step 5: Solve for x
    x = 775,809.12/945.24
  6. Step 6: Final answer
    x = 820.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.