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Finding the Fourth Proportional to 574,434.53, 792,741.15 and 316,322.66

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Solution

The fourth proportional to 574,434.53, 792,741.15 and 316,322.66 is: 436,537.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,434.53 : 792,741.15 = 316,322.66 : x
  2. Step 2: Convert to fraction form
    574,434.53/792,741.15 = 316,322.66/x
  3. Step 3: Cross multiply
    574,434.53x = 792,741.15 × 316,322.66
  4. Step 4: Simplify right side
    574,434.53x = 250,761,991,241.31
  5. Step 5: Solve for x
    x = 250,761,991,241.31/574,434.53
  6. Step 6: Final answer
    x = 436,537.12

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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.