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Finding the Fourth Proportional to 613,339.27, 846,399.13 and 341,406.77

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Solution

The fourth proportional to 613,339.27, 846,399.13 and 341,406.77 is: 471,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,339.27 : 846,399.13 = 341,406.77 : x
  2. Step 2: Convert to fraction form
    613,339.27/846,399.13 = 341,406.77/x
  3. Step 3: Cross multiply
    613,339.27x = 846,399.13 × 341,406.77
  4. Step 4: Simplify right side
    613,339.27x = 288,966,388,018.60
  5. Step 5: Solve for x
    x = 288,966,388,018.60/613,339.27
  6. Step 6: Final answer
    x = 471,136.29

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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.