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Finding the Fourth Proportional to 1,176.88, 1,624.12 and 652.96

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Solution

The fourth proportional to 1,176.88, 1,624.12 and 652.96 is: 901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.88 : 1,624.12 = 652.96 : x
  2. Step 2: Convert to fraction form
    1,176.88/1,624.12 = 652.96/x
  3. Step 3: Cross multiply
    1,176.88x = 1,624.12 × 652.96
  4. Step 4: Simplify right side
    1,176.88x = 1,060,485.40
  5. Step 5: Solve for x
    x = 1,060,485.40/1,176.88
  6. Step 6: Final answer
    x = 901.10

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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.