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Finding the Fourth Proportional to 575,539.67, 794,257.58 and 317,424.47

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Solution

The fourth proportional to 575,539.67, 794,257.58 and 317,424.47 is: 438,052.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,539.67 : 794,257.58 = 317,424.47 : x
  2. Step 2: Convert to fraction form
    575,539.67/794,257.58 = 317,424.47/x
  3. Step 3: Cross multiply
    575,539.67x = 794,257.58 × 317,424.47
  4. Step 4: Simplify right side
    575,539.67x = 252,116,785,816.57
  5. Step 5: Solve for x
    x = 252,116,785,816.57/575,539.67
  6. Step 6: Final answer
    x = 438,052.84

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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.