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Finding the Fourth Proportional to 575,352.54, 793,991.88 and 317,238.74

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Solution

The fourth proportional to 575,352.54, 793,991.88 and 317,238.74 is: 437,792.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,352.54 : 793,991.88 = 317,238.74 : x
  2. Step 2: Convert to fraction form
    575,352.54/793,991.88 = 317,238.74/x
  3. Step 3: Cross multiply
    575,352.54x = 793,991.88 × 317,238.74
  4. Step 4: Simplify right side
    575,352.54x = 251,884,983,581.43
  5. Step 5: Solve for x
    x = 251,884,983,581.43/575,352.54
  6. Step 6: Final answer
    x = 437,792.42

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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.