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Finding the Fourth Proportional to 895.26, 1,341.72 and 484.50

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Solution

The fourth proportional to 895.26, 1,341.72 and 484.50 is: 726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.26 : 1,341.72 = 484.50 : x
  2. Step 2: Convert to fraction form
    895.26/1,341.72 = 484.50/x
  3. Step 3: Cross multiply
    895.26x = 1,341.72 × 484.50
  4. Step 4: Simplify right side
    895.26x = 650,063.34
  5. Step 5: Solve for x
    x = 650,063.34/895.26
  6. Step 6: Final answer
    x = 726.12

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Why These Related Problems?

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