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Finding the Fourth Proportional to 895.46, 1,235.32 and 546.35

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Solution

The fourth proportional to 895.46, 1,235.32 and 546.35 is: 753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.46 : 1,235.32 = 546.35 : x
  2. Step 2: Convert to fraction form
    895.46/1,235.32 = 546.35/x
  3. Step 3: Cross multiply
    895.46x = 1,235.32 × 546.35
  4. Step 4: Simplify right side
    895.46x = 674,909.54
  5. Step 5: Solve for x
    x = 674,909.54/895.46
  6. Step 6: Final answer
    x = 753.71

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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.