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Finding the Fourth Proportional to 1,482.71, 2,223.96 and 616.41

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Solution

The fourth proportional to 1,482.71, 2,223.96 and 616.41 is: 924.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.71 : 2,223.96 = 616.41 : x
  2. Step 2: Convert to fraction form
    1,482.71/2,223.96 = 616.41/x
  3. Step 3: Cross multiply
    1,482.71x = 2,223.96 × 616.41
  4. Step 4: Simplify right side
    1,482.71x = 1,370,868.87
  5. Step 5: Solve for x
    x = 1,370,868.87/1,482.71
  6. Step 6: Final answer
    x = 924.57

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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.