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Finding the Fourth Proportional to 573,973.80, 860,960.70 and 495,241.80

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Solution

The fourth proportional to 573,973.80, 860,960.70 and 495,241.80 is: 742,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,973.80 : 860,960.70 = 495,241.80 : x
  2. Step 2: Convert to fraction form
    573,973.80/860,960.70 = 495,241.80/x
  3. Step 3: Cross multiply
    573,973.80x = 860,960.70 × 495,241.80
  4. Step 4: Simplify right side
    573,973.80x = 426,383,726,797.26
  5. Step 5: Solve for x
    x = 426,383,726,797.26/573,973.80
  6. Step 6: Final answer
    x = 742,862.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.