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Finding the Fourth Proportional to 1,767.43, 2,650.76 and 534.93

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Solution

The fourth proportional to 1,767.43, 2,650.76 and 534.93 is: 802.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.43 : 2,650.76 = 534.93 : x
  2. Step 2: Convert to fraction form
    1,767.43/2,650.76 = 534.93/x
  3. Step 3: Cross multiply
    1,767.43x = 2,650.76 × 534.93
  4. Step 4: Simplify right side
    1,767.43x = 1,417,971.05
  5. Step 5: Solve for x
    x = 1,417,971.05/1,767.43
  6. Step 6: Final answer
    x = 802.28

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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.