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Finding the Fourth Proportional to 1,543.16, 2,314.76 and 568.64

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Solution

The fourth proportional to 1,543.16, 2,314.76 and 568.64 is: 852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.16 : 2,314.76 = 568.64 : x
  2. Step 2: Convert to fraction form
    1,543.16/2,314.76 = 568.64/x
  3. Step 3: Cross multiply
    1,543.16x = 2,314.76 × 568.64
  4. Step 4: Simplify right side
    1,543.16x = 1,316,265.13
  5. Step 5: Solve for x
    x = 1,316,265.13/1,543.16
  6. Step 6: Final answer
    x = 852.97

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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.