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Finding the Fourth Proportional to 1,091.88, 1,506.75 and 594.51

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Solution

The fourth proportional to 1,091.88, 1,506.75 and 594.51 is: 820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091.88 : 1,506.75 = 594.51 : x
  2. Step 2: Convert to fraction form
    1,091.88/1,506.75 = 594.51/x
  3. Step 3: Cross multiply
    1,091.88x = 1,506.75 × 594.51
  4. Step 4: Simplify right side
    1,091.88x = 895,777.94
  5. Step 5: Solve for x
    x = 895,777.94/1,091.88
  6. Step 6: Final answer
    x = 820.40

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.