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Finding the Fourth Proportional to 1,141.52, 1,712.62 and 483.06

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Solution

The fourth proportional to 1,141.52, 1,712.62 and 483.06 is: 724.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141.52 : 1,712.62 = 483.06 : x
  2. Step 2: Convert to fraction form
    1,141.52/1,712.62 = 483.06/x
  3. Step 3: Cross multiply
    1,141.52x = 1,712.62 × 483.06
  4. Step 4: Simplify right side
    1,141.52x = 827,298.82
  5. Step 5: Solve for x
    x = 827,298.82/1,141.52
  6. Step 6: Final answer
    x = 724.73

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Double scale
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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.