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Finding the Fourth Proportional to 895.23, 1,342.16 and 587.16

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Solution

The fourth proportional to 895.23, 1,342.16 and 587.16 is: 880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.23 : 1,342.16 = 587.16 : x
  2. Step 2: Convert to fraction form
    895.23/1,342.16 = 587.16/x
  3. Step 3: Cross multiply
    895.23x = 1,342.16 × 587.16
  4. Step 4: Simplify right side
    895.23x = 788,060.78
  5. Step 5: Solve for x
    x = 788,060.78/895.23
  6. Step 6: Final answer
    x = 880.29

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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.