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Finding the Fourth Proportional to 657.64, 907.60 and 362.97

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Solution

The fourth proportional to 657.64, 907.60 and 362.97 is: 500.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    657.64 : 907.60 = 362.97 : x
  2. Step 2: Convert to fraction form
    657.64/907.60 = 362.97/x
  3. Step 3: Cross multiply
    657.64x = 907.60 × 362.97
  4. Step 4: Simplify right side
    657.64x = 329,426.13
  5. Step 5: Solve for x
    x = 329,426.13/657.64
  6. Step 6: Final answer
    x = 500.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.