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Finding the Fourth Proportional to 451,645.32, 677,468.28 and 114,711.24

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Solution

The fourth proportional to 451,645.32, 677,468.28 and 114,711.24 is: 172,066.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,645.32 : 677,468.28 = 114,711.24 : x
  2. Step 2: Convert to fraction form
    451,645.32/677,468.28 = 114,711.24/x
  3. Step 3: Cross multiply
    451,645.32x = 677,468.28 × 114,711.24
  4. Step 4: Simplify right side
    451,645.32x = 77,713,226,459.47
  5. Step 5: Solve for x
    x = 77,713,226,459.47/451,645.32
  6. Step 6: Final answer
    x = 172,066.94

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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.