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Finding the Fourth Proportional to 1,030.04, 1,546.17 and 414.17

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Solution

The fourth proportional to 1,030.04, 1,546.17 and 414.17 is: 621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030.04 : 1,546.17 = 414.17 : x
  2. Step 2: Convert to fraction form
    1,030.04/1,546.17 = 414.17/x
  3. Step 3: Cross multiply
    1,030.04x = 1,546.17 × 414.17
  4. Step 4: Simplify right side
    1,030.04x = 640,377.23
  5. Step 5: Solve for x
    x = 640,377.23/1,030.04
  6. Step 6: Final answer
    x = 621.70

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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.