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Finding the Fourth Proportional to 234,305.64, 351,455.16 and 56,814.12

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Solution

The fourth proportional to 234,305.64, 351,455.16 and 56,814.12 is: 85,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,305.64 : 351,455.16 = 56,814.12 : x
  2. Step 2: Convert to fraction form
    234,305.64/351,455.16 = 56,814.12/x
  3. Step 3: Cross multiply
    234,305.64x = 351,455.16 × 56,814.12
  4. Step 4: Simplify right side
    234,305.64x = 19,967,615,634.86
  5. Step 5: Solve for x
    x = 19,967,615,634.86/234,305.64
  6. Step 6: Final answer
    x = 85,220.38

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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.