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Finding the Fourth Proportional to 895.24, 1,341.64 and 462.70

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Solution

The fourth proportional to 895.24, 1,341.64 and 462.70 is: 693.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.24 : 1,341.64 = 462.70 : x
  2. Step 2: Convert to fraction form
    895.24/1,341.64 = 462.70/x
  3. Step 3: Cross multiply
    895.24x = 1,341.64 × 462.70
  4. Step 4: Simplify right side
    895.24x = 620,776.83
  5. Step 5: Solve for x
    x = 620,776.83/895.24
  6. Step 6: Final answer
    x = 693.42

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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.