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Finding the Fourth Proportional to 318,336, 439,366.07 and 182,461.02

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Solution

The fourth proportional to 318,336, 439,366.07 and 182,461.02 is: 251,831.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,336 : 439,366.07 = 182,461.02 : x
  2. Step 2: Convert to fraction form
    318,336/439,366.07 = 182,461.02/x
  3. Step 3: Cross multiply
    318,336x = 439,366.07 × 182,461.02
  4. Step 4: Simplify right side
    318,336x = 80,167,181,741.74
  5. Step 5: Solve for x
    x = 80,167,181,741.74/318,336
  6. Step 6: Final answer
    x = 251,831.97

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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.