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Finding the Fourth Proportional to 517.04, 711.70 and 433.22

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Solution

The fourth proportional to 517.04, 711.70 and 433.22 is: 596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    517.04 : 711.70 = 433.22 : x
  2. Step 2: Convert to fraction form
    517.04/711.70 = 433.22/x
  3. Step 3: Cross multiply
    517.04x = 711.70 × 433.22
  4. Step 4: Simplify right side
    517.04x = 308,322.67
  5. Step 5: Solve for x
    x = 308,322.67/517.04
  6. Step 6: Final answer
    x = 596.32

Related Problems

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Half scale
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Double scale
Find fourth proportional to 518.04, 713.08 and 434.22
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.