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Finding the Fourth Proportional to 316,877.77, 437,291.32 and 182,741.77

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Solution

The fourth proportional to 316,877.77, 437,291.32 and 182,741.77 is: 252,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,877.77 : 437,291.32 = 182,741.77 : x
  2. Step 2: Convert to fraction form
    316,877.77/437,291.32 = 182,741.77/x
  3. Step 3: Cross multiply
    316,877.77x = 437,291.32 × 182,741.77
  4. Step 4: Simplify right side
    316,877.77x = 79,911,387,281.11
  5. Step 5: Solve for x
    x = 79,911,387,281.11/316,877.77
  6. Step 6: Final answer
    x = 252,183.64

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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.