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Finding the Fourth Proportional to 925.43, 1,277.01 and 552.34

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Solution

The fourth proportional to 925.43, 1,277.01 and 552.34 is: 762.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.43 : 1,277.01 = 552.34 : x
  2. Step 2: Convert to fraction form
    925.43/1,277.01 = 552.34/x
  3. Step 3: Cross multiply
    925.43x = 1,277.01 × 552.34
  4. Step 4: Simplify right side
    925.43x = 705,340.51
  5. Step 5: Solve for x
    x = 705,340.51/925.43
  6. Step 6: Final answer
    x = 762.17

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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.