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Finding the Fourth Proportional to 583.06, 874.55 and 193.02

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Solution

The fourth proportional to 583.06, 874.55 and 193.02 is: 289.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.06 : 874.55 = 193.02 : x
  2. Step 2: Convert to fraction form
    583.06/874.55 = 193.02/x
  3. Step 3: Cross multiply
    583.06x = 874.55 × 193.02
  4. Step 4: Simplify right side
    583.06x = 168,801.76
  5. Step 5: Solve for x
    x = 168,801.76/583.06
  6. Step 6: Final answer
    x = 289.51

Related Problems

Find fourth proportional to 291.53, 437.27 and 96.51
Half scale
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Double scale
Find fourth proportional to 584.06, 876.05 and 194.02
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.