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Finding the Fourth Proportional to 944.72, 1,303.68 and 525.06

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Solution

The fourth proportional to 944.72, 1,303.68 and 525.06 is: 724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.72 : 1,303.68 = 525.06 : x
  2. Step 2: Convert to fraction form
    944.72/1,303.68 = 525.06/x
  3. Step 3: Cross multiply
    944.72x = 1,303.68 × 525.06
  4. Step 4: Simplify right side
    944.72x = 684,509.24
  5. Step 5: Solve for x
    x = 684,509.24/944.72
  6. Step 6: Final answer
    x = 724.57

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