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Finding the Fourth Proportional to 1,161.01, 1,741.49 and 295.32

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Solution

The fourth proportional to 1,161.01, 1,741.49 and 295.32 is: 442.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161.01 : 1,741.49 = 295.32 : x
  2. Step 2: Convert to fraction form
    1,161.01/1,741.49 = 295.32/x
  3. Step 3: Cross multiply
    1,161.01x = 1,741.49 × 295.32
  4. Step 4: Simplify right side
    1,161.01x = 514,295.35
  5. Step 5: Solve for x
    x = 514,295.35/1,161.01
  6. Step 6: Final answer
    x = 442.97

Related Problems

Find fourth proportional to 580.50, 870.74 and 147.66
Half scale
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Double scale
Find fourth proportional to 1,162.01, 1,742.98 and 296.32
Similar ratio
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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.