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Finding the Fourth Proportional to 295,662.62, 407,535.08 and 231,018.86

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Solution

The fourth proportional to 295,662.62, 407,535.08 and 231,018.86 is: 318,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,662.62 : 407,535.08 = 231,018.86 : x
  2. Step 2: Convert to fraction form
    295,662.62/407,535.08 = 231,018.86/x
  3. Step 3: Cross multiply
    295,662.62x = 407,535.08 × 231,018.86
  4. Step 4: Simplify right side
    295,662.62x = 94,148,289,591.61
  5. Step 5: Solve for x
    x = 94,148,289,591.61/295,662.62
  6. Step 6: Final answer
    x = 318,431.49

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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.