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Finding the Fourth Proportional to 953.54, 1,432.71 and 607.03

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Solution

The fourth proportional to 953.54, 1,432.71 and 607.03 is: 912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.54 : 1,432.71 = 607.03 : x
  2. Step 2: Convert to fraction form
    953.54/1,432.71 = 607.03/x
  3. Step 3: Cross multiply
    953.54x = 1,432.71 × 607.03
  4. Step 4: Simplify right side
    953.54x = 869,697.95
  5. Step 5: Solve for x
    x = 869,697.95/953.54
  6. Step 6: Final answer
    x = 912.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.