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Finding the Fourth Proportional to 1,090.55, 1,504.96 and 593.19

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Solution

The fourth proportional to 1,090.55, 1,504.96 and 593.19 is: 818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090.55 : 1,504.96 = 593.19 : x
  2. Step 2: Convert to fraction form
    1,090.55/1,504.96 = 593.19/x
  3. Step 3: Cross multiply
    1,090.55x = 1,504.96 × 593.19
  4. Step 4: Simplify right side
    1,090.55x = 892,724.26
  5. Step 5: Solve for x
    x = 892,724.26/1,090.55
  6. Step 6: Final answer
    x = 818.60

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,091.55, 1,506.33 and 594.19
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.