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Finding the Fourth Proportional to 477,168.64, 715,908.48 and 240,493.12

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Solution

The fourth proportional to 477,168.64, 715,908.48 and 240,493.12 is: 360,818.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,168.64 : 715,908.48 = 240,493.12 : x
  2. Step 2: Convert to fraction form
    477,168.64/715,908.48 = 240,493.12/x
  3. Step 3: Cross multiply
    477,168.64x = 715,908.48 × 240,493.12
  4. Step 4: Simplify right side
    477,168.64x = 172,171,063,989.66
  5. Step 5: Solve for x
    x = 172,171,063,989.66/477,168.64
  6. Step 6: Final answer
    x = 360,818.06

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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.