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Finding the Fourth Proportional to 575,824.52, 794,632.29 and 317,703.56

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Solution

The fourth proportional to 575,824.52, 794,632.29 and 317,703.56 is: 438,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,824.52 : 794,632.29 = 317,703.56 : x
  2. Step 2: Convert to fraction form
    575,824.52/794,632.29 = 317,703.56/x
  3. Step 3: Cross multiply
    575,824.52x = 794,632.29 × 317,703.56
  4. Step 4: Simplify right side
    575,824.52x = 252,457,503,450.79
  5. Step 5: Solve for x
    x = 252,457,503,450.79/575,824.52
  6. Step 6: Final answer
    x = 438,427.85

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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.