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Finding the Fourth Proportional to 1,504.17, 2,259.90 and 957.42

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Solution

The fourth proportional to 1,504.17, 2,259.90 and 957.42 is: 1,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.17 : 2,259.90 = 957.42 : x
  2. Step 2: Convert to fraction form
    1,504.17/2,259.90 = 957.42/x
  3. Step 3: Cross multiply
    1,504.17x = 2,259.90 × 957.42
  4. Step 4: Simplify right side
    1,504.17x = 2,163,673.46
  5. Step 5: Solve for x
    x = 2,163,673.46/1,504.17
  6. Step 6: Final answer
    x = 1,438.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.