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Finding the Fourth Proportional to 360,625.04, 540,459.72 and 191,781.80

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Solution

The fourth proportional to 360,625.04, 540,459.72 and 191,781.80 is: 287,418.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,625.04 : 540,459.72 = 191,781.80 : x
  2. Step 2: Convert to fraction form
    360,625.04/540,459.72 = 191,781.80/x
  3. Step 3: Cross multiply
    360,625.04x = 540,459.72 × 191,781.80
  4. Step 4: Simplify right side
    360,625.04x = 103,650,337,929.10
  5. Step 5: Solve for x
    x = 103,650,337,929.10/360,625.04
  6. Step 6: Final answer
    x = 287,418.58

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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.