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Finding the Fourth Proportional to 574,965.71, 793,441.99 and 316,866.57

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Solution

The fourth proportional to 574,965.71, 793,441.99 and 316,866.57 is: 437,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,965.71 : 793,441.99 = 316,866.57 : x
  2. Step 2: Convert to fraction form
    574,965.71/793,441.99 = 316,866.57/x
  3. Step 3: Cross multiply
    574,965.71x = 793,441.99 × 316,866.57
  4. Step 4: Simplify right side
    574,965.71x = 251,415,237,503.58
  5. Step 5: Solve for x
    x = 251,415,237,503.58/574,965.71
  6. Step 6: Final answer
    x = 437,269.97

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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.