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Finding the Fourth Proportional to 613,147.32, 846,126 and 341,210.88

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Solution

The fourth proportional to 613,147.32, 846,126 and 341,210.88 is: 470,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,147.32 : 846,126 = 341,210.88 : x
  2. Step 2: Convert to fraction form
    613,147.32/846,126 = 341,210.88/x
  3. Step 3: Cross multiply
    613,147.32x = 846,126 × 341,210.88
  4. Step 4: Simplify right side
    613,147.32x = 288,707,397,050.88
  5. Step 5: Solve for x
    x = 288,707,397,050.88/613,147.32
  6. Step 6: Final answer
    x = 470,861.39

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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.