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Finding the Fourth Proportional to 613,338.15, 846,406.59 and 341,400.20

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Solution

The fourth proportional to 613,338.15, 846,406.59 and 341,400.20 is: 471,132.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,338.15 : 846,406.59 = 341,400.20 : x
  2. Step 2: Convert to fraction form
    613,338.15/846,406.59 = 341,400.20/x
  3. Step 3: Cross multiply
    613,338.15x = 846,406.59 × 341,400.20
  4. Step 4: Simplify right side
    613,338.15x = 288,963,379,107.32
  5. Step 5: Solve for x
    x = 288,963,379,107.32/613,338.15
  6. Step 6: Final answer
    x = 471,132.24

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1.5x scale

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.