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Finding the Fourth Proportional to 1,357.17, 2,034.54 and 536.04

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Solution

The fourth proportional to 1,357.17, 2,034.54 and 536.04 is: 803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357.17 : 2,034.54 = 536.04 : x
  2. Step 2: Convert to fraction form
    1,357.17/2,034.54 = 536.04/x
  3. Step 3: Cross multiply
    1,357.17x = 2,034.54 × 536.04
  4. Step 4: Simplify right side
    1,357.17x = 1,090,594.82
  5. Step 5: Solve for x
    x = 1,090,594.82/1,357.17
  6. Step 6: Final answer
    x = 803.58

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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.