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Finding the Fourth Proportional to 613,329.98, 846,395.16 and 341,392.04

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Solution

The fourth proportional to 613,329.98, 846,395.16 and 341,392.04 is: 471,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,329.98 : 846,395.16 = 341,392.04 : x
  2. Step 2: Convert to fraction form
    613,329.98/846,395.16 = 341,392.04/x
  3. Step 3: Cross multiply
    613,329.98x = 846,395.16 × 341,392.04
  4. Step 4: Simplify right side
    613,329.98x = 288,952,570,318.53
  5. Step 5: Solve for x
    x = 288,952,570,318.53/613,329.98
  6. Step 6: Final answer
    x = 471,120.90

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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.