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Finding the Fourth Proportional to 675.77, 933.01 and 476.92

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Solution

The fourth proportional to 675.77, 933.01 and 476.92 is: 658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.77 : 933.01 = 476.92 : x
  2. Step 2: Convert to fraction form
    675.77/933.01 = 476.92/x
  3. Step 3: Cross multiply
    675.77x = 933.01 × 476.92
  4. Step 4: Simplify right side
    675.77x = 444,967.60
  5. Step 5: Solve for x
    x = 444,967.60/675.77
  6. Step 6: Final answer
    x = 658.46

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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.