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Finding the Fourth Proportional to 501.96, 692.02 and 432.75

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Solution

The fourth proportional to 501.96, 692.02 and 432.75 is: 596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.96 : 692.02 = 432.75 : x
  2. Step 2: Convert to fraction form
    501.96/692.02 = 432.75/x
  3. Step 3: Cross multiply
    501.96x = 692.02 × 432.75
  4. Step 4: Simplify right side
    501.96x = 299,471.66
  5. Step 5: Solve for x
    x = 299,471.66/501.96
  6. Step 6: Final answer
    x = 596.60

Related Problems

Find fourth proportional to 250.98, 346.01 and 216.38
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.