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Finding the Fourth Proportional to 317,344.64, 475,783.68 and 151,249.28

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Solution

The fourth proportional to 317,344.64, 475,783.68 and 151,249.28 is: 226,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,344.64 : 475,783.68 = 151,249.28 : x
  2. Step 2: Convert to fraction form
    317,344.64/475,783.68 = 151,249.28/x
  3. Step 3: Cross multiply
    317,344.64x = 475,783.68 × 151,249.28
  4. Step 4: Simplify right side
    317,344.64x = 71,961,939,035.75
  5. Step 5: Solve for x
    x = 71,961,939,035.75/317,344.64
  6. Step 6: Final answer
    x = 226,762.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.