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Finding the Fourth Proportional to 627,497.40, 865,953.16 and 341,017.54

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Solution

The fourth proportional to 627,497.40, 865,953.16 and 341,017.54 is: 470,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,497.40 : 865,953.16 = 341,017.54 : x
  2. Step 2: Convert to fraction form
    627,497.40/865,953.16 = 341,017.54/x
  3. Step 3: Cross multiply
    627,497.40x = 865,953.16 × 341,017.54
  4. Step 4: Simplify right side
    627,497.40x = 295,305,216,378.43
  5. Step 5: Solve for x
    x = 295,305,216,378.43/627,497.40
  6. Step 6: Final answer
    x = 470,607.87

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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.