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Finding the Fourth Proportional to 1,177.41, 1,624.88 and 653.41

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Solution

The fourth proportional to 1,177.41, 1,624.88 and 653.41 is: 901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.41 : 1,624.88 = 653.41 : x
  2. Step 2: Convert to fraction form
    1,177.41/1,624.88 = 653.41/x
  3. Step 3: Cross multiply
    1,177.41x = 1,624.88 × 653.41
  4. Step 4: Simplify right side
    1,177.41x = 1,061,712.84
  5. Step 5: Solve for x
    x = 1,061,712.84/1,177.41
  6. Step 6: Final answer
    x = 901.74

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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.