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Finding the Fourth Proportional to 1,364.57, 2,045.02 and 632.53

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Solution

The fourth proportional to 1,364.57, 2,045.02 and 632.53 is: 947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.57 : 2,045.02 = 632.53 : x
  2. Step 2: Convert to fraction form
    1,364.57/2,045.02 = 632.53/x
  3. Step 3: Cross multiply
    1,364.57x = 2,045.02 × 632.53
  4. Step 4: Simplify right side
    1,364.57x = 1,293,531.39
  5. Step 5: Solve for x
    x = 1,293,531.39/1,364.57
  6. Step 6: Final answer
    x = 947.94

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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.