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Finding the Fourth Proportional to 613,336.59, 846,138.56 and 432,019.71

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Solution

The fourth proportional to 613,336.59, 846,138.56 and 432,019.71 is: 595,999.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,336.59 : 846,138.56 = 432,019.71 : x
  2. Step 2: Convert to fraction form
    613,336.59/846,138.56 = 432,019.71/x
  3. Step 3: Cross multiply
    613,336.59x = 846,138.56 × 432,019.71
  4. Step 4: Simplify right side
    613,336.59x = 365,548,533,150.92
  5. Step 5: Solve for x
    x = 365,548,533,150.92/613,336.59
  6. Step 6: Final answer
    x = 595,999.88

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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.