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Finding the Fourth Proportional to 613,400.16, 846,532.08 and 341,464.80

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Solution

The fourth proportional to 613,400.16, 846,532.08 and 341,464.80 is: 471,243.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,400.16 : 846,532.08 = 341,464.80 : x
  2. Step 2: Convert to fraction form
    613,400.16/846,532.08 = 341,464.80/x
  3. Step 3: Cross multiply
    613,400.16x = 846,532.08 × 341,464.80
  4. Step 4: Simplify right side
    613,400.16x = 289,060,907,390.78
  5. Step 5: Solve for x
    x = 289,060,907,390.78/613,400.16
  6. Step 6: Final answer
    x = 471,243.61

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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.