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Finding the Fourth Proportional to 575,668.64, 794,425.92 and 317,554.67

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Solution

The fourth proportional to 575,668.64, 794,425.92 and 317,554.67 is: 438,227.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,668.64 : 794,425.92 = 317,554.67 : x
  2. Step 2: Convert to fraction form
    575,668.64/794,425.92 = 317,554.67/x
  3. Step 3: Cross multiply
    575,668.64x = 794,425.92 × 317,554.67
  4. Step 4: Simplify right side
    575,668.64x = 252,273,660,865.05
  5. Step 5: Solve for x
    x = 252,273,660,865.05/575,668.64
  6. Step 6: Final answer
    x = 438,227.21

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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.