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Finding the Fourth Proportional to 895.11, 1,341.95 and 382.47

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Solution

The fourth proportional to 895.11, 1,341.95 and 382.47 is: 573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.11 : 1,341.95 = 382.47 : x
  2. Step 2: Convert to fraction form
    895.11/1,341.95 = 382.47/x
  3. Step 3: Cross multiply
    895.11x = 1,341.95 × 382.47
  4. Step 4: Simplify right side
    895.11x = 513,253.70
  5. Step 5: Solve for x
    x = 513,253.70/895.11
  6. Step 6: Final answer
    x = 573.40

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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.