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Finding the Fourth Proportional to 1,235.01, 1,852.97 and 541.55

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Solution

The fourth proportional to 1,235.01, 1,852.97 and 541.55 is: 812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235.01 : 1,852.97 = 541.55 : x
  2. Step 2: Convert to fraction form
    1,235.01/1,852.97 = 541.55/x
  3. Step 3: Cross multiply
    1,235.01x = 1,852.97 × 541.55
  4. Step 4: Simplify right side
    1,235.01x = 1,003,463.93
  5. Step 5: Solve for x
    x = 1,003,463.93/1,235.01
  6. Step 6: Final answer
    x = 812.51

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Double scale
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1.5x scale

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.